Choose from Blood Type Card stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

Choose from Blood Plasma Abstract stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

Period blood color can change from bright red to dark red, pink, or brown at different points during menstruation, though it's not typically an indicator of your overall health. Color can change with ...

A blood clot is a gel-like mass of blood that can form as a natural part of wound healing. But blood clots that occur within arteries or veins can be dangerous and even life-threatening if they block ...

Frequent blood donors may be getting more than a warm, fuzzy feeling from their altruism, as giving blood may also enhance your ability to produce healthy blood cells, potentially reducing the ...

A blood glucose test measures how much sugar you have in your blood. You may have a blood glucose test in a doctor’s office, laboratory, or with a fingerstick meter at home. When you eat ...

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Your regular donation of blood could be doing some good for your own health. Researchers have found early evidence that blood donation can trigger helpful changes in the cells that replenish our ...

Blood donation is widely recognized as a life-saving act, replenishing hospital supplies and aiding patients. But could donating blood also benefit the donor? Frequent blood donors may experience ...

March's full "Blood Worm Moon," a phenomenon that makes the moon appear red during a total lunar eclipse, is visible this week for Americans and others in Earth's Western Hemisphere. The full moon ...

Skywatchers snapped photos of the "blood moon" hovering above North and South America last night. Here's a gallery of images to celebrate the total lunar eclipse.

The life-saving act of giving blood may not only be beneficial to the patient but also to the donor, new research has suggested. The NHS needs 4,300 blood donations a day to meet the needs of ...