Your immune system defends against injury and disease. It attacks pathogens, neutralizes harmful substances and fights disease-causing changes in the body. But less has been known about its role in depression, until experts realized it can get hacked — by stress.

Heart problems in women are risky enough for reasons like having symptoms doctors are slower to recognize. But a life transition there’s no escape from and higher odds for migraine makes matters worse. Here’s what you need to know about this risky combination and how to protect yourself…

IBS and IBD have a few things in common: they both affect the GI tract and can cause constipation, diarrhea, pain and fatigue. They’re both difficult to diagnose and can make life miserable. Here’s your guide to understanding the differences and getting relief…

If you take certain medications, you may have seen “Do not operate heavy machinery” on the label. For sleeping pills, that may seem like a given. But there are others you may be surprised to learn could get you into trouble if you take them before driving…

When dementia hits before 65, it’s considered young-onset and may have strong genetic ties. But if epigenetics has taught us anything, it’s that genes don’t reign supreme, and scientists have identified 15 factors that can make all the difference.

Prostate cancer presents a range of outcomes. Some diagnoses are favorable enough doctors only advise watching and waiting. Others need more aggressive treatment. From one end of the spectrum to the other, men have needed more to go on to make critical decisions. Now they may have it…

No one really likes restricting calories. However, it becomes much more attractive when research says it could help slow brain aging and increase lifespan. But to this point they haven’t been entirely sure how. A gene influenced by diet may change all that…

Chronic pain can consume you, make you unable to concentrate on work or family, and ultimately keep you from doing things you enjoy. Drugs can be both disappointing and risky. But science says there’s a daily habit for overcoming pain that really works…

There’s an idea emerging among researchers that the aging brain requires specific nutrients for optimal health, just as the brain of an infant needs certain nutrients for proper development. That’s led them to discover one particular deficiency that drives age-related memory loss…

If you live in the northern hemisphere, you’re most susceptible to a vitamin deficiency that can have far-reaching health consequences, mostly involving your bones. If you’re a woman that makes you especially vulnerable to a perfect storm that sets you up for disc degeneration…

To avoid just about any ailment, you’ll find some research that shows how exercise can shut it down. When it comes to heart disease, it may just be the Holy Grail. But there are heart health risks associated with one diet habit that even exercise may not help…

When you suffer from fibromyalgia, pain and fatigue can be your constant companions. But for people suffering this debilitating condition, there’s a straightforward way to push back, ease your aches and get your life back…