Sarah Biren
Sarah Biren
July 18, 2024 ·  17 min read

54 Natural Remedies For 12 Common Ailments

If you’ve ever had a nagging cold, relentless migraines, or acne that just won’t go away, chances are you’ve tried every drug, cream, and medicine on the market. Unfortunately, many of these drugs have both known and unknown side effects, such as a damaged stomach lining or making you drowsy, that affect our future health and potentially make the very health problems they’re meant to solve worse.

Natural Remedies You Can Make and Use at Home

Fresh herbs from the garden and the different types of oils for massage and aromatherapy.

What if the answer to many of the common ailments we all suffer weren’t found at the pharmacy or doctors office? There are hundreds of natural remedies that various cultures have used for generations, and we are just beginning to realize their true potential for solving our health problems without the use of synthetic drugs and chemicals. Here is a list of the best natural remedies for headaches to acne and everything in between:

Read More: Wrinkles Under Eyes (or on your face) + 11 Ways to Naturally Treat and Help Prevent Wrinkles

Natural Remedies for Back Pain Relief:

Kidneys pain. Man holding his back. Medical concept.

Back pain is a common ailment that can range from mild discomfort to severe and debilitating pain. While medical intervention is sometimes necessary, there are natural remedies that may help relieve back pain and improve your quality of life. Explore these holistic approaches to find relief and support your body’s healing process.

1. Castor Oil

Argan oil , natural luxury skin and hair.

Castor oil is well-known for its anti-inflammatory properties thanks to its high concentration of ricinoleic acid. The best way to use it for back pain is to make a castor oil pack that you then apply to the affected area. This works for other types of joint pain, as well.

2. Hamstring stretch

Single athletic woman with blond hair in blue outfit on back stretching hamstring muscles for leg in mid air

There are three hamstring muscles that run up the back of your leg. When those muscles are tight, they restrict the movement of the pelvis, which in turn puts stress on your lower back. Stretching your hamstrings like this daily will relieve and prevent your chronic back pain.

3. Exercises

Detail of man doing sports with hamstrings pain holding himself with his hand sitting on a mat. Side view

Back pain is more than just pain in your back; It is often connected to posture and the alignment of your head, neck, shoulders, spine, hips, knees, and ankles, as well as tightness in your chest. Perform these neurologist-approved exercises multiple days a week and your back pain will disappear.

4. Acupressure in your feet

Professional foot massage close up. Authentic shot of luxury spa treatment. Charming light. Shallow depth of field. Stylized and colored.

For many people, their back pain actually starts in their feet. Think about it: Your feet really take a beating, and are often tight and cramped in uncomfortable shoes. Press on these three acupressure points on your feet to relieve the tension building in your back.

5. Herbs

Wooden crate with a variety of fresh green potted culinary herbs growing outdoors in a backyard garden

There are several herbs that have incredible anti-inflammatory and back-pain healing properties, such as cat claw, eucalyptus, and even turmeric.

Read More: 14 Chemotherapy Side Effects No One Talks About & Natural Treatments

Natural Remedies for Acid Reflux and GERD:

Unhappy millennial indian guy suffering from heartburn, waking up in morning, sitting on bed and holding glass of water, wearing pajamas, copy space. Acid reflux, pain in stomach concept

Acid reflux occurs when stomach acid flows back up the esophagus, causing a burning sensation in the chest and a hot, uncomfortable feeling in the stomach (known as heartburn). When acid reflux becomes a more severe, chronic issue this is known as GERD (gastroesophageal reflux disease). Fortunately, there are some natural ways to find relief and eventually get rid of acid reflux:

6. Change your diet

Close-up Of A Man's Hand Refusing Cup Of Coffee Offered By Person Over Wooden Desk

For some people, acid reflux is caused by the consumption of certain foods that don’t agree with their digestive system. Common triggers are: (1, 2)

  • Chocolate
  • Alcohol
  • Nicotine (aka smoking)
  • Caffeine
  • Greasy, spicy, and fatty foods

Avoiding the common offenders, and instead focusing on whole, nutritious, natural foods, may help decrease acid reflux. 

7. Warm Lemon Water

Drinking hot lemonade drink helps to heal the sick or cough or cold from the cold air in a glass with a spoon and slices of lemon on a natural wooden table with copy space.

This recommendation along with apple cider vinegar (below) is more appropriate if the cause of your acid reflux is low stomach acid, accompanied by bloating and indigestion after meals. If you have cramps, pain, or more severe symptoms of GERD this is not advisable.

Warm or room temperature water with lemon, when consumed on an empty stomach fifteen minutes or so before a meal, can help bile production and ease digestion. According to Traditional Chinese Medicine, cold water also tends to stress the stomach, whereas warm is more acceptable.

8. Apple Cider Vinegar

apple cider vinegar

Often, people think they have recurring acid reflux because their stomach is too acidic, but it can actually be due to improper digestion of food from inadequate acidity in the stomach. Take apple cider vinegar like this to relieve indigestion and heartburn.

9. Probiotics

young woman who makes a heart shape by hands on her stomach.

Probiotics, or the beneficial bacteria that improve the health of our gut, can be a huge help in relieving acid reflux. When your gut’s microbiome is out of balance, you will have difficulty digesting food properly, which can cause heartburn. (3) Including more probiotic foods such as kefir, saurkraut, kimchi, or kombucha in your daily diet should help. If you are still struggling, you may want to consider taking a probiotic supplement.

10. Herbs

A woman collects medicinal herbs. Selective focus. Nature.

Herbs like slippery elm, chamomile, fenugreek, and peppermint are all beneficial at soothing an irritated stomach and helping to promote proper digestion. (4)

Read More: How to Super Clean Your Car’s Interior Using Only Natural Ingredients

Natural Remedies for Headaches and Migraines:

Woman suffering from stress or a headache grimacing in pain as she holds the back of her neck with her other hand to her temple, with copyspace

Headaches and their big bad cousin migraines affect thousands of people every day and prevent us from getting work done and enjoying time with family and friends. The next time you feel that familiar ache starting to grow, try one of these natural remedies to nip it in the bud right away.

11. Acupressure

Hand massage. Physiotherapist pressing specific spots on female palm. Professional health and wellness acupressure manipulations, copy space, closeup

Often headaches can be caused by tightness and tension in other areas of our body. These are five common headache-relieving acupressure points on your head, neck, face, and even hands!

12. Magnesium

Products containing magnesium: bananas, pumpkin seeds, blue poppy seed, cashew nuts, beans, almonds, sunflower seeds, oatmeal, buckwheat, peanuts, pistachios, dark chocolate and sesame seeds

Magnesium is a muscle relaxer and natural electrolyte, which helps to keep your body’s calcium and sodium levels in balance. If you experience chronic headaches or migraines, it could be your body’s way of telling you that your magnesium levels are too low. Drink this magnesium bicarbonate water to replenish your magnesium stores and stop headaches from coming back.

13. Lavender Tea

Cup of healthy lavender tea and lavender flowers. Mortars of dry lavender and sachets on background. Alternative medicine.

Many people find migraines and headaches are brought on by stress and anxiety. Lavender is well known for its ability to relax the mind and body, relieve inflamed blood vessels, and calm the nerves. Drink lavender tea to relieve headaches before they turn into full-blown migraines and prevent future headaches from forming.

14. Ginger Powder

Ginger root and ginger powder in the bowl

Researchers have discovered that even just eight teaspoons of ginger powder work just as well as the leading migraine medications for a fraction of the cost and none of the unwanted side effects. (5)

15. NASA Sleeping Trick

International Space Station and astronaut in outer space over the planet Earth. Elements of this image furnished by NASA.

Due to the lack of gravity on the space station, astronauts experience frequent headaches from a build-up of blood pressure in their brains. They discovered that sleeping with your head at a thirty-degree angle eliminates these pressure-related headaches. A similar phenomenon happens when we sleep at night. Consider sleeping with your head on a thirty-degree incline to relieve that pressure, and thus your headaches. (6)

16. Essential Oils

Brown Bottles of essential oil with fresh herbs

There are a number of essential oils that help to relieve different types of headaches, including:

  • Eucalyptus globulus
  • Lavender oil
  • Peppermint oil
  • Rosemary oil

Each oil has its own best method of use, such as diffusing or mixing with a carrier oil and massaging into your temple. Click through each link to learn how to effectively use each essential oil for migraine relief.

Read More: How to Get Rid of Blackheads Naturally (2-Ingredient Recipe)

Natural Remedies for Cough and Sore Throat:

health, cold and people concept - sad sick young asian woman with sore throat at home

Coughing and sore throat go hand in hand, and they always seem to come just when you have to make an important presentation at work or the day before your child’s first choir concert. Find relief fast with one of these natural sore throat remedies:

17. Homemade cough drops

Sour candy grapes in a bowl and cooking ingredients on the table. Social media candy trend. Top view. Close-up

Everyone’s favorite item to reach for when they have a cough is those sugary cough drops you can buy at the store. The problem is that not only are they essentially candy, but they can also have other unwanted ingredients. Instead, make these simple, three-instinct homemade cough drops the next time you or a family member catches a frog in their throat.

18. Gargle Salt Water

Salt water in a glass cup and salt in a teaspoon. Salt water has high level of minerals and salt water gargle helps in removing of cold and sore throat

Every hour, gargle salt water as deep in your throat as you can without coughing or choking. This will help to moisten your dry throat and soothe the cough.

19. Drink plenty of water

Drinking water, fitness and exercise woman after sports run and training in nature. Workout, hiking and walking challenge with a bottle of a female runner in summer ready for running for health

Even though it may be painful to swallow, it is important that you stay well hydrated. This will help you clear away whatever is causing the sore throat in the first place and help to keep your throat moist. If it’s extremely difficult or painful, try warm or hot water or herbal teas. The heat will soothe your throat further and make it easier to swallow.

20. Raw Honey

Honey dripping from a wooden honey dipper in a jar on wooden grey rustic background

A tablespoon of honey will help to fight the bacteria in your throat causing the illness, as well as soothe and ease the discomfort. (7)

21. Honey, Lemon, and Ginger trick:

A glass cup of tea with lemon, mint, ginger and honey on wooden rustic table.

This hot honey, lemon, and ginger drink will bring together tips 19 and 20 into a powerful, hydrating cough and sore throat remedy. The addition of lemon and ginger brings antioxidants, vitamins, minerals, and anti-inflammatory compounds to relax further and soothe your throat, as well as effectively fight off the infection.

22. Eat a pear

Ripe green pears isolated with leaves isolated on white

Pears are naturally cooling and juicy, so they provide much-needed moisture to a rough, sore throat. The next time you have a sore throat, prepare your pear in this way to turn it into a sore throat soothing powerhouse.

23. Warm Soup

Pumpkin and carrot soup, tadka with cream and parsley on dark wooden background. Top view.

Just like hot tea or honey, lemon, or ginger tonic, the warm soup will also make swallowing easier. When made with bone broth and vitamin and mineral-filled vegetables, soup can be an incredible cough, cold, and flu fighter. Try this turmeric, vegetable, and chicken soup recipe for an immune-boosting meal.

Natural Remedies for Insomnia:

Unhappy woman with insomnia lying on bed next to alarm clock at night

Insomnia, whether you suffer chronically or just from time to time, affects your mood, health, weight management, and ability to get work done and enjoy life. Start sleeping better tonight with one of these natural insomnia remedies and treatments:

24. Thyme Lavender Tea

summer medicinal herbs. thyme tea on a wooden table. fresh thyme flowers in a spoon

Both thyme and lavender have calming, stress-relieving, and sleep-inducing effects on the body. When combined with this hot tea, they work together to decrease insomnia and help you get a restful night’s sleep. (8)

25. 3-Minute breathing trick

Young Asian woman in lotus pose doing breathing exercise while practicing Yoga in her bedroom. Copy space.

How you breathe affects the amount of oxygen that gets to your organs. Breathing like this each night before bed will relax your body and ensure all organs are properly oxygenated, preventing you from snoring and helping you (and your partner) get a better night’s sleep.

26. Ashwagandha

Ashwagandha superfood powder and root on cutting board on wooden table from above. Adaptogen.

This ancient herb helps to lower the stress hormone cortisol, helps to relax your mind throughout the day, helps to stabilize blood sugar levels throughout the night, improves and protects lymphatic drainage in the brain, and optimizes the body’s ability to burn fat during the long overnight fast. All of these factors play an important role as to whether or not we will have a good night’s sleep. (9) Ashwagandha can be taken in powder, tablet, or liquid form. For more on how to take this root, read here.

27. Acupuncture

The doctor sticks needles into the girl's body on the acupuncture

Acupuncture can increase the nighttime production of the sleep hormone melatonin, helping people sleep deeper for longer. (10)

28. Bedtime yoga

Woman doing yoga exercise on bed at home. Morning workout in bedroom. Healthy and sport lifestyle.

These six yoga poses all effectively calm your mind and release any tension that builds up throughout your day, and slow down your heart rate to help lull you right to sleep.

29. Establish a nighttime routine

woman relaxing on sofa and reading book. evening moody ambience. she is enjoying time during weekend

A nighttime routine starts several hours before bed and can include avoiding heavy meals closer than two to three hours before bed, avoiding stimulating activity or screens, taking time for meditation, and even a pinch of nutmeg or cinnamon milk (non-dairy preferable) before bed. Check out this comprehensive guide to what to include and what to avoid in the hours and minutes leading up to bedtime.

Read More: How to Get Rid of Acne Naturally: 3 Types of Food to Avoid

Natural Remedies for Joint Pain:

woman suffering from wrist pain, numbness, or Carpal tunnel syndrome hand holding her ache joint

Whether you have arthritis or just get achy when the weather is bad, joint pain makes everything uncomfortable. Get rid of pesky joint pain and arthritis causing inflammation with one of these natural remedies:

30. Glute Stretches and Exercises

Sporty young woman doing squat morning exercise alone in living room, serious fit girl wearing sportswear crouching training muscles workout at home for healthy body lifestyle concept, side view

Due to the amount of time we spend sitting at desks, in cars, and in front of the TV or computer, a majority of the population has weak, tight glutes and tight, overdeveloped quads. This can cause tracking problems and pulling on the patella, which leads to knee pain. Performing glute strengthening exercises and stretches can help avoid common knee problems that lead to pain.

31. Gelatin

Different types of gelatin (powder, granules, sheets and solution) on a blue wooden table

The gradual wear and tear on the cartilage in our joints as we age causes inflammation and joint pain. Consuming a tablespoon of gelatin every day along with calcium and vitamin C has been shown to improve the health and integrity of the cartilage in our joints and decrease the inflammation that is causing the pain. (11) 

32. More Exercises

Human leg Osteoarthritis inflammation of bone joints

Just as there are specific glute exercises for knee pain, there are other exercises to protect and strengthen other joints as well. Perform these exercises for joint pain relief daily to rebuild and prevent the degradation of your joints.

33. Ginger

Ginger root and ginger powder in the bowl

Ginger isn’t just for your immune system! Taking ginger over the course of several days will help to decrease the painful inflammation that has built up in your joints. You can take in the form of a ginger compress, a bath remedy, or in food.

34. Aromatherapy

Closeup of masseur hands pouring aroma oil on woman back. Masseuse prepare to do oriental spa procedure for relaxing treatment. Therapist doing aromatherapy oil massage on woman body.

Even just breathing in certain aromas, such as vanilla or peppermint, can have incredible relaxing and anti-inflammatory benefits on the body. Read here to learn more about the powerful effects of aromatherapy.

35. Cayenne Oil

red pepper in a clay plate and olive oil on white wooden surface

Known primarily for its metabolism-boosting effects, cayenne is also an amazing anti-inflammatory that can be used to relieve arthritis and joint pain. Learn how to make your own cayenne oil and how to use it for joint pain here.

36. Omega-3 Fatty Acids

Food rich in omega 3 fatty acid and healthy fats. Healthy keto and low carb diet eating concept. top view

These are incredible joint health-supporting fats that we have to get from our food. Unfortunately, the average American diet is low in these essential fats. To increase your omega-3 intake, include foods such as sardines, salmon, chia seeds, flaxseeds, and walnuts as part of your daily nutrition, or consider supplementing.

Natural Remedies for Acne:

Cropped shot of woman worry about her face when she saw the problem of acne occur on her chin by a mini mirror. Conceptual shot of Acne and problem skin on female face.

Acne can be caused by a variety of different things, from clogged pores to dry or oily skin and hormones that are out of balance. Heal and prevent acne from returning with these natural acne remedies:

37. Tea Tree Oil

tea tree oil in the amber glass bottle and fresh tea tree leaves

You’ve probably heard of using tea tree oil for dandruff, but this essential oil is also an excellent weapon against acne breakouts! Why? The bacteria that cause dandruff are the same that cause acne on your face. Be sure to dilute tea tree oil in a carrier oil such as coconut oil before applying it to breakouts. (12)

38. Diet

Fresh dairy products, milk, cottage cheese, eggs, yogurt, sour cream and butter on wooden table

Avoiding high-sugar, processed foods is crucial in preventing acne breakouts. Other common skin offenders include: (13)

  • wheat
  • dairy
  • alcohol
  • greasy fast food
  • soda

Instead, focus on eating plenty of vegetables (especially the orange and green ones), unprocessed grains and whole food carbohydrates, and lean, organic meats and other protein sources. You also need to drink plenty of water to help flush out toxins that will otherwise try to exit through the skin.

Read More: Natural Home Remedies for Hair Growth (Men and Women)

Natural Remedies for Constipation:

portrait of a woman suffers from diarrhea his stomach painful. ache and problem. hand hold tissue paper roll in front of toilet bowl. constipation in bathroom. Hygiene, health care concept.

Constipation is uncomfortable and embarrassing and can make it difficult to leave the house! It also can be a sign of other health problems. Try these natural constipation remedies the next time you’re having trouble “getting going” for fast, natural relief:

39. Spiced Date Coconut Milk

Glasses of date milkshake with cinnamon and spice

The healthy fats and warming spices in this coconut milk recipe will help soothe your intestines, promote proper digestion, and help get you going like normal in no time.

40. Drink more water

healthy beautiful young woman holding glass of water

Funny how drinking more water seems to be the cure for so many common health problems! If you are chronically dehydrated, there won’t be enough water in your stool, making it slow and difficult to pass. Try to drink around 2L of water each day for optimum constipation relief and prevention.

41. Eat healthy fats

Avocado on old wooden table.Halfs on wooden bowl. Fruits healthy food concept.

Fats such as chia seeds, avocado, and hemp have added fiber, making them stool-passing promoters and will help to keep your colon moving.

42. Eat High Fiber Foods

fresh fruits and vegetables for commercial and non commercial use

High-fiber foods such as vegetables, berries, pears, dried fruits, nuts, and seeds have soluble and insoluble fiber to help get you going when you’re having trouble.

Natural Remedies for High Blood Pressure:

Doctor using sphygmomanometer with stethoscope checking blood pressure to a patient in the hospital.

High blood pressure leads to potentially fatal heart attacks, strokes, and more. Here are ways to help manage blood pressure naturally.

43. 15 Minute Hand Exercise

Closeup young woman sitting on sofa holds her wrist. hand injury, feeling pain. Health care and medical concept.

This hand grip exercise, involving squeezing a handgrip for two minutes followed by a two-minute rest, showed to decrease in systolic blood pressure.

44. Beet Juice

Beetroot juice in a glass and fresh organics beetroot on rustic wooden table for refreshing drinks concept.

Beet juice has been shown to reduce systolic blood pressure in men without any additional changes to diet or exercise habits. Try making this apple, carrot, beet, and ginger juice recipe.

Natural Remedies for Stress and Anxiety:

Tired young man feel pain eyestrain holding glasses rubbing dry irritated eyes fatigued from computer work, stressed man suffer from headache bad vision sight problem sit at home table using laptop

Everyone gets stressed and anxious occasionally, but when it becomes a chronic problem, it can prevent you from getting the most out of your life. Overcome your anxiety and calm your nerves with these natural remedies:

45. Acupressure

Acupressure, reflexology. Natural medicine, reflexology, acupressure foot massager oppresses energy flow points

According to reflexology practitioners, there are various places on your chest and body where, when you apply gentle pressure, they can relieve stress, calm anxiety, and decrease feelings of nervousness. The best part about acupressure is that you can perform most of it anywhere, anytime, on yourself!

46. Breathing Technique

Profile portrait of young attractive yogi woman breathing fresh air, her eyes closed, meditation pose, relaxation exercise, working out wearing black sportswear top, close up image, window background

Most of us are told to take long, slow breaths when we are feeling stressed and anxious. This technique, however, which involves taking small, controlled breaths has shown to effectively calm the nerves and the mind.

47. Sound Therapy

Tibetan singing bowl in sound therapy

Also known as a sound bath, this anxiety-reducing method involves creating music and sounds with ancient Tibetan instruments that envelop the body and calm the mind. Learn how to perform your own sound bath at home here.

48. Meditation

Woman practicing yoga and meditation at home sitting in lotus pose on yoga mat, relaxed with closed eyes. Mindful meditation concept. Wellbeing.

Meditation, which involves focusing your energy inwards to induce a sense of calm, can significantly reduce stress and anxiety, even if only practiced for a few minutes a day. (14) Learn how to meditate to relieve anxiety and stress here.

Read More: 21 of the Best Natural Oils for Your Skin and Hair (Benefits and How to Use)

Natural Remedies for Bad Breath:

Bad breath. Halitosis concept. Young man checking his breath with his hand.

Bad breath doesn’t just occur after a meal of garlic and sardines; in fact, chronic bad breath can tell you much about the health of your mouth and gut. Try these natural methods to take care of the root of the problem and get rid of bad breath permanently:

49. Probiotics and Gut Healing

Capsules probiotic on a wooden spoon and bowl with homemade yogurt on light blue background. Fermented foods, dairy, nutritional supplement, healthy digestion concept. Top view, flat lay

Bad breath is often a sign that something is wrong with the microbiome in your gut, usually a loss of the good bacteria that help to break down and digest food. Increase your intake of probiotic foods, eat more fiber, and cut out gut irritants, and processed and high-sugar foods.

50. Oil Pulling

Coconut oil pulling - image of oral care

Oil pulling is an effective, natural way of removing the bacteria and toxins that build up in your mouth throughout the night and day that cause bad breath. Try this coconut oil-pulling method for an all-natural, full-mouth clean.

51. Tongue Scraping

Close-up Of A Woman Cleaning Her Tongue With Cleaner

Trust us, it’s not as painful as it sounds! Tongue scraping involves using a special scraper that you pull across your tongue every morning before eating residue and bacteria that cause bad breath. Learn how to clean or scrape your tongue here.

Dandruff

Woman with dandruff in her dark hair, closeup view

Dandruff is a common scalp condition characterized by the shedding of dead skin cells, leading to white flakes and often itching. While it is generally harmless, dandruff can be a persistent and frustrating issue. Understanding the causes and available treatments can help you manage dandruff effectively and maintain a healthy scalp.

52. Apple Cider Vinegar

Apple cider vinegar

The acidity of ACV helps to change the pH of your scalp and prevent the bacteria that cause dandruff from growing. To use apple cider vinegar in your hair, dilute it so that it is one part apple cider vinegar and 3-4 parts water and put it in a spray bottle. Spray the mixture onto your scalp and gently massage it in, then rinse thoroughly. Don’t worry about the vinegar smell, you won’t be able to detect it once your hair is dry.

53. Tea Tree Oil

tea tree oil in the amber glass bottle and fresh tea tree leaves

We can’t talk about natural remedies for dandruff without mentioning tea tree oil! As we mentioned earlier, tea tree oil is a natural anti-bacterial agent that is highly effective against the bacteria that cause dandruff. You can use tea tree oil before washing or as an overnight treatment.

54. Coconut Oil

Coconut oil on table close-up

Coconut oil contains lauric acid, which helps fight against bacteria and fungi that irritate and dry out the scalp. It also acts as a natural moisturizer and prevents the dry flakes of skin associated with dandruff. (15)

Read More: 4 Natural Ways to Stop Teeth Grinding and the Headaches, Poor Sleep and Tooth Decay It Causes

Sources

  1. https://www.sciencedirect.com/science/article/pii/S0016508512003095
  2. https://www.webmd.com/heartburn-gerd/guide/what-is-acid-reflux-disease#1
  3. https://www.healthline.com/health/gerd/ibs
  4. https://www.healthline.com/health/gerd/melatonin#1
  5. https://onlinelibrary.wiley.com/doi/10.1002/ptr.4996/full
  6.  https://www.healthrising.org/blog/2013/06/16/heads-up-are-you-missing-an-easy-way-to-improve-sleep-and-health/
  7. https://journals.lww.com/americantherapeutics/Abstract/2014/07000/Antimicrobial_Properties_of_Honey.13.aspx
  8. https://link.springer.com/chapter/10.1007/978-1-4614-4310-0_33
  9. https://www.ajpcr.com/Vol4Suppl1/408.pdf
  10. https://www.ncbi.nlm.nih.gov/pubmed/14990755
  11. https://www.tandfonline.com/doi/abs/10.1185/030079908×291967
  12. https://www.ijdvl.com/article.asp?issn=0378-6323;year=2007;volume=73;issue=1;spage=22;epage=25;aulast=Enshaieh
  13. https://www.sciencedirect.com/science/article/pii/S2212267212019235
  14. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3772979/
  15. https://www.google.com/patents/US9452129