Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether ...

People with vitamin D deficiency are at greater risk of becoming depressed, and those with depression are more likely to be ...

A landmark clinical trial presented at the 2025 AHA Scientific Sessions reveals that personalized supplementation may be the ...

For older women who rely on a strong coffee to start the day, new research is raising a pointed concern: high caffeine habits ...

Having a glass of orange juice in the morning is a good way to boost energy. But drinking it on an empty stomach could have ...

Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when to talk to your healthcare provider.

In a large new study published today, researchers found that eating high-fat cheese or cream was associated with a lower risk ...

A study of blood-based markers for Alzheimer’s disease in Norway confirms earlier estimates, and may show how education level ...

A year-long, diet-controlled intervention shows that flaxseed oil–derived alpha-linolenic acid significantly increases erythrocyte EPA, DPA, and DHA across omnivorous, vegetarian, and vegan diets. The ...

Age-related macular degeneration, the leading cause of vision loss and blindness for Americans 65 and older, is a progressive ...