You might feel fatigued after a long day of activities or a long night of poor sleep. But if daily fatigue is your constant companion, the cause may be a condition that’s zapping your energy or a vitamin deficiency — or both.

Less is known about what causes tinnitus than about the risk factors associated with it. That’s why people with the condition are often told nothing can be done about it. Luckily, researchers who understand how the brain filters sound haven’t given up…

New research indicates that a deficiency in an amino acid could be part of what causes depression. But previous research has validated its importance in metabolism, heart health, immune function and even longevity. Are you getting enough?

If you’re health conscious, you might focus on getting important nutrients like vitamins through diet or by supplementing. But how much mind do you pay to minerals? There’s one that half of us are deficient in. Considering it just might be the best insurance against dementia, that’s a problem…

With Alzheimer’s on the rise, experts are exploring every angle to slow the disease’s progression. Drugs have been disappointing, but nutrition is another story. Researchers just identified five key nutrients found in normal brains, but missing in brains affected by Alzheimer’s…

What happens when you exclude all meat and animal products from your diet? For starters, that makes you a vegan. And there’s nothing wrong with that. But if it’s about health, you should know that much of the research warning us off meat is being called into question…