A huge study shows two popular diabetes drugs also protect the heart. Both lower the risk of heart attack and stroke in real patients.

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

A pint of donated blood can save three lives, according to the Mayo Clinic Blood Donor Center. But sometimes people need a special kind of blood. That's why the blood coursing through the veins of ...

White blood cells help your body fight inflammation and infections. A high or low white blood cell count may be associated with a number of short-term or long-term health conditions. White blood cells ...

The endothelium is a cell layer that lines the body’s blood vessels and lymphatic vessels. These cells are necessary to maintain healthy organs, tissues, and overall body function. The cells of the ...

Lara Vukelich is a freelance writer in San Diego, California. She writes creative content and SEO-driven copy that can be found everywhere from Huffington Post and Quiet Revolution to Expedia, ...

A new study has found that during exercise, the vagus nerve, essential to the body’s ‘rest and digest’ response, has a more important role in heart function than we thought. The findings could be ...