Brain fog can result from diet. The brain needs energy. Some foods boost memory and mood. Others cause fatigue. Dr. Vassily ...

For the first time, a study shows an online assessment can provide a scientific measure of acetylcholine—a key brain chemical ...

For hundreds of millions of people around the world, allergies are problematic. Whether it's a frustrating seasonal occurrence or a daily concern of an encounter with a potentially fatal allergen, ...

A deficiency of choline, which is related to B vitamins, might increase the risk of Alzheimer’s and cognitive decline. Consumer Reports has no financial relationship with any advertisers on this site.