Waking up with a sticky, dry mouth at night can feel very uncomfortable and strangely worrying. Saliva does far more than keep your mouth comfortable. It helps protect teeth, supports taste, and even aids digestion. The National Institute of Dental and Craniofacial Research explains that “dry mouth, also called xerostomia, is the condition of not...
Growing older usually comes with one clear message from doctors. Keep “bad” cholesterol low to protect the heart. Yet new research from a famed longevity region in Italy suggests that, for some of the very oldest adults, the story looks more complicated. In a cluster of villages in central Sardinia, a Blue Zone famous for...
In October 2025, archaeologists working near the Temple Mount in Jerusalem found a pottery fragment that had been buried for nearly 3,000 years. It measured just one inch, small enough to fit on a thumbnail, and bore an Assyrian inscription. The message was surprisingly ordinary. Someone had been late paying their taxes. This ordinary complaint...
When 21-year-old Lucas Martin started feeling unwell in early September 2023, nothing suggested that his life was in immediate danger. He had a headache and felt feverish, so his family assumed he had picked up the same mix of bugs many young people get during busy social seasons. For several days, they watched what looked...
High blood pressure is often described as a silent threat inside the body. People typically connect it with heart attacks or strokes that strike without much warning. However, the same raised pressure that strains deep arteries also reaches vessels just beneath the skin. Over time, that constant force can change how blood flows through tiny...
When Health and Human Services Secretary Robert F. Kennedy Jr. promised to “end the war on saturated fats,” he lit a fresh fuse in a long-running nutrition debate. His comments came as the U.S. Dietary Guidelines are being rewritten, a process that shapes school meals, military rations, food labels, and the advice many doctors give...
Nuts may be small in size, but they play a large role in many conversations about nutrition and brain function. People often hear that eating nuts for brain health is always a good idea. However, as we shall discover, the truth is more nuanced. Some nuts and nut products support memory, mood, and long-term cognition....
Avocados are often called a superfood, and with good reason. Unlike many fruits that are high in sugar, avocados stand out for their creamy texture, mild flavor, and remarkable nutritional profile. They are loaded with healthy fats, fiber, vitamins, and minerals that benefit nearly every system in the body. From supporting heart and brain health...
While intelligence can mean various things to different people, how it is determined is usually based on particular criteria. Intelligence is mostly thought of as having the ability to perceive information and the capacity to problem-solve, for logical thinking, and a deep understanding of things around you. There are also various kinds of intelligence, from...
A two-year-old boy arrives at the hospital with a virus and low potassium. His family expect monitoring, fluids, and a careful recovery. Instead, a lawsuit alleges that a single misplaced decimal point in his prescription turned a routine correction into a fatal medical error. The complaint says that staff at a Florida children’s hospital changed...
A preliminary study that was presented at the American Heart Association’s Scientific Sessions 2025 has raised alarming questions between heart failure and melatonin use. Researchers discovered a notable association between long-term melatonin use and increased heart failure risk. The review examined medical records spanning 5 years for more than 130,000 adults with chronic insomnia. Those...
Vitamin D sits at the intersection of bone, muscle, immune health, and overall metabolism. Researchers have asked a simple question for years. Do low vitamin D levels track with a higher risk of dying earlier? Many observational studies say yes, while large randomized trials show limited benefits from routine supplementation. The latest work improves how...
