|
|
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
People about to have surgery must tell their health care providers about all supplements they take.
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.