Blood tests for Alzheimer’s disease are becoming more accurate, but researchers stress the need for caution and further study.

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

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

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.

Medically reviewed by Patricia Mikula, PharmD Key Takeaways Most adults can safely take vitamin D supplements every ...

Winter can feel like a natural time to slow down, but when profound fatigue, bone pain, and persistent low mood set in, it ...

This winter, medical experts guide you through the latest diagnostic standards, the non-deficiency causes of fatigue, and the practical steps you can take ...

ALS is a debilitating paralytic disease characterized as the death of upper and lower motor neurons. Fortunately, ALS is ...

Vitamin D is an essential micronutrient that's an important part of a healthy diet. Learn what types of foods are rich in vitamin D.

Vitamin D deficiency is very common, especially during the winter months with less sunlight. Add these foods to your diet to help.

In this guide to popular supplements, find out whether magnesium, probiotics, and other products work and what might be ...