‌Arteries and veins (also called blood vessels) are tubes of muscle that your blood flows through. Arteries carry blood away from the heart to the rest of the body. Veins push blood back to your heart ...

Arteriosclerosis and atherosclerosis are sometimes mistaken for the same condition. But atherosclerosis is a specific type of arteriosclerosis with different causes, symptoms, and treatment.

Sarah Klein is a health writer, editor, and certified personal trainer with over a decade of experience in media. She has held editorial positions at LIVESTRONG.com, Health, Prevention, and The ...

If you own last year's Apple Watch, is it worth upgrading to the latest model? We compare all the features. Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how ...

Moisturizers use oils and occlusive agents to seal skin and prevent water loss, while hydrators use humectants to pull water in. Adding water alone to your skin evaporates quickly and can be drying if ...