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It's a big worry for new parents: Now that I'm having a baby, do I have to get rid of my pet?

Americans are becoming more sedentary - and it's killing us.

What makes a truly great Olympic sprinter and why their physiques are so different than long distance runners.

The first Olympic Games to be held in South America come with some unique challenges, along with the usual threats to health and safety that every Olympic Game presents.

There are a growing number of newborns being seen with what is known as neonatal abstinence syndrome (NAS), a set of physical and behavioral symptoms in those born to mothers...

While most of us will never be world class athletes, there is still a lot we can learn from Olympians.

On Sunday night, Michael Phelps won his nineteenth Olympic gold in the men's relay. As he donned his gold medal, the champion swimmer also sported several unusual, perfectly round marks...

Salt is essential for our bodies to function properly. However, it also can be dangerous, or in some cases even deadly.

While summer may have periods of elevated ozone, wildfires can mimic the kind of bad air conditions of the winter months.

To floss or not to floss? That is the question after a flood of articles alleging there's little scientific evidence that flossing works.

These smoothies will keep you cool, and give you a healthy boost.

Many people say politics turn their stomachs. However, it isn't ideological differences making people ill at the Republican National Convention—it's norovirus.

There are lots of instances when a convenience store is the closest - or only - option for a quick bite or snack.

FluMist is no more and here's why.

It's World Blood Donor Day, yet not everybody can donate blood.

Do you actually know what Zika virus is? Or why it's so dangerous?

Kids love animals. From the time they are babies, they are presented with books, stuffed animals, movies and cartoons that foster that love.

It isn't possible to die from embarrassment—unless that embarrassment keeps patients from getting checked for melanoma.

Summer is rapidly approaching. Soon, kids will be out of school, barbecues will sizzle, and temperatures will climb. In health care, we refer to summer as "trauma season."

Popular descriptions of modern summer skin usually include terms such as "golden" or "sun-kissed." But those phrases would most likely make your great-grandmother shudder.

From month to month and year to year, the tissue in your breasts change. Some of these changes could be breast lumps. How much should you worry about these? And...

Heading out on a summer road trip? You may not realize it, but the windows separating you from the sun's rays aren’t doing a great job of truly protecting you.

Electronic cigarettes are exposing young children in the United States to dangerous levels of nicotine. A new study in the journal Pediatrics found the number of poison control cases involving...

Hepatitis C is a disease of the liver. It kills thousands of people each year. It doesn't have to.