MRI contrast dye is widely used and considered safe. It helps highlight blood vessels, tumors, and other structures to improve diagnostic accuracy. Rarely, contrast dye can trigger a serious condition called nephrogenic systemic fibrosis in people with advanced kidney disease.
In this quiz, test your knowledge of which foods can nourish your body and help prevent disease, and which foods can play an inflammatory role in the body.
Not all cases of gallstones need treatment. Many people have gallstones that never cause pain or other symptoms and can be left alone. But if gallstones cause persistent pain or other symptoms, doctors often opt to surgically remove the gallbladder.
A 2026 study suggested that women who consistently stay active throughout middle age have a significantly lower risk of dying early than peers who are inactive.
A 2026 study suggested that getting a high-dose flu shot may reduce older adults’ risk of developing Alzheimer’s disease compared with a standard-dose flu shot.
A 2026 study suggested that people who eat healthier plant-based diets, which prioritize whole grains, fruits, vegetables, and legumes, have a lower risk of developing dementia than people who eat a plant-based diet that includes more refined grains, fruit juices, and added sugars.
Taking antiplatelet drugs can make any “blood thinner” advice confusing. Which blood-thinning medications vitamin K affects matters here.
Practicing mindfulness is a healthier, more sustainable source of energy and focus than relying on caffeine or sugar. This video shows you how to practice mindfulness by paying attention to breathing, physical sensations, and everyday activities in the present moment without judgment.
Small bald spots can result from stress, but not always. Patchy loss can reflect hereditary patterns, alopecia areata, fungal infection, or scalp disease.
A new, tender lump in a man’s breast doesn't necessarily mean cancer. But it should not be ignored. Gynecomastia is one possible cause, but there are others.