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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
There are 20 feet of blood vessels in each square inch of human skin.
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.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.