With smartphones, smart TVs and rumors of self-driving smart cars, it’s no surprise that smart contact lenses exist. But it may surprise you to learn just what makes these lenses so "smart."

Valentine’s Day can be a time for celebrating love or for nursing a broken heart. But it's also a time to recognize those born with a physically broken heart.

What can cause a runny nose, red and itchy eyes, sneezing, fatigue and cough — all without a fever? If you guessed hay fever, you probably know the frustration of seasonal allergies. But there may be some relief where that is concerned.

As people age, cognitive functions like memory and judgment can change. And viral infections might have something to do with that.

Patients with major depressive disorder (MDD) are often prescribed one of two treatments: antidepressants or therapy. But which one works best?

Zika is primarily spread by mosquitoes. But that may not be the only way to contract the virus.

Body mass index (BMI) has recently become a way to gauge people's health in America. But new evidence suggests there may be a better way.

You might control your blood pressure for the sake of avoiding stroke. But did you know high blood pressure (hypertension) might also be tied to dementia?

You may have heard of the Zika virus, which has recently gained notoriety in the news. While the illness can be dangerous in some cases, experts say the risks can be lessened with proper prevention methods.

Statins are known to lower cholesterol and improve heart health in some patients. New evidence suggests they could also help some patients' sight.