Astrocytes are star-shaped cells in the brain that express receptors for hormones, including ghrelin, which signals hunger, and its counterpart, leptin, which signals fullness. But just 10 days of the wrong foods dismantles that whole system…

The health and longevity of people in blue zones is just one reasons for tons of research on omega-3 essential fatty acids. They’ve held an ancient secret that in today’s world is still proving they’re not only essential because we can’t produce them on our own, but good health depends on them.

Blood clots in response to an injured blood vessel. It’s a normal response even to a paper cut. As the bleeding stops, the clot is no longer needed and dissolves. Things don’t always go as planned, but who would have thought an artificial sweetener could make things worse…

You wouldn’t think being a spectator at a sporting event would have a positive impact on your health. But it does — at least when it comes to one sport in particular, whose fans could put just about anyone’s Fitbit score to shame…

The ringing, buzzing, hissing, whistling, swooshing and clicking of tinnitus can drive anyone crazy. And though doctors have tried for years to help, there’s been little known about the causes of the condition — until now. It turns out it could be sitting in your medicine cabinet at this very moment…

Tinnitus can be caused by hundreds of health issues and external stimuli. But one recently identified source is something we’re all exposed to at one time or another — and it’s not-so-great news for people living in urban areas…

Before you head off to the nail salon, there’s something you should know. Gel manicures may look lovely but they expose you to a very real danger. Just like the sun and tanning beds, those nail dryers pack a serious punch of UV radiation…

Nuts are givers of great health. Almonds have been called the world’s most nutritious nut. Walnuts have been known to crackdown on chronic disease. And pistachios have been hailed as natural weight loss helpers. But what is the best nut for lowering cholesterol? The one that dropped numbers significantly lower than exercise intervention…

There are a few differences between Americans and Europeans. But one of the biggest differences is the food we consume. Take dangerous food additives. Here is a handful that have been banned in Europe, but are still fed to us, starting with your morning toast…

Cognitive decline can lead to dementia, and dementia is irreversible. But if you keep your intake of sodium low and your potassium intake high enough to support blood flow through the brain you might just avoid it…

There’s no denying how unpleasant food poisoning caused by salmonella can be. The good news is that the symptoms are usually gone after a few days. But for some, the infection can cause long-term gut problems of the worst kind…

One of the symptoms of long COVID is crushing fatigue, the kind that, even though the virus has cleared the body, makes it feel almost impossible to get back to normal activities. But two nutrients were found to turn that around in a short period of time…