We’ve all had the blues. But major depressive disorder is something entirely different. People with MDD have higher rates of incidence and mortality from cardiovascular disease, diabetes and Alzheimers, but the medical community hasn’t understood why, until now.

A good night’s sleep is essential for optimal health. But there are disorders like sleep apnea that can make it difficult to get steady, restful sleep. That’s why it’s so important to treat sleep apnea — particularly when it comes to your cognitive health…

Living with back pain can feel like torture. People who deal with pain day in and day out may even feel like it’s killing them. But can it? Past studies have made that connection. And the newest saw a correlation with premature death and back pain possibly involving a cardiovascular component.

In spite of all their health benefits, nuts like almonds still get “bad press.” You’ll often hear that snacking on them leads to weight gain, because of the calories that come from their fat content. What if we told you that when you eat that handful of almonds, you’re really not absorbing all those calories?

We don’t like to talk about it, but the truth is, constipation is a common problem. When you’re constipated, you may have to strain to pass your stools. And if you strain too hard, it can lead to complications much more serious than hemorrhoids…

If you suffer from chronic sinusitis or rhinosinusitis, you know how it can interrupt your daily life. And it’s not even the runny nose or sinus pressure that’s the most disruptive. The inability to concentrate can make everyday tasks almost impossible for some. Now you can feel validated: Science shows sinus inflammation affects your brain’s connections.

From gas and bloating to abdominal pain, heartburn and diarrhea, surveys show that 74 percent of Americans are living with digestive problems. If you’re one of them, you may have wondered about digestive enzymes and why you need them. Here are the answers to your questions, and the relief you need.

Cervical cancer can be one of the more deadly cancers women face. Human papillomavirus causes the vast majority of cervical cancer and in recent years a vaccine was developed for both women and men. But many older adults have never received the vaccine. Luckily, researchers are examining other ways to reduce this threat.

Dementia is a disease that’s not only on the rise, it seems to be taking the world by storm. While there are currently approximately 50 million cases of dementia globally, every year another 10 million are diagnosed. You could avoid being one of them if you cut out this kind of meat…

Many people believe osteoarthritis (OA) is an unavoidable result of aging, as the cartilage in joints wears away, leaving them stiff and painful. Carrying extra weight is thought to worsen it. But new research has revealed that it’s a different kind of fat factor driving OA.

Mature women are at especially high risk of developing coronary heart disease, partly because of low estrogen, but two specific types of psychological stress have been found to make matters worse…

The measure of pH reveals how acidic or alkaline the body is. Too much, either way, can contribute to illness. Researchers have been able to see the effect of pH on brain chemistry and there are significant impacts…