The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Add Yahoo as a preferred source to see more of our stories on Google. Nov. 2—(Family Features) Heart health is about more than just the heart itself. It's a two-way street between the heart and the ...

Everywhere scientists look for microplastics, they've found them -- food, water, air and some parts of the human body. But examinations of our innermost organs that aren't directly exposed to the ...