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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Illicit drug use costs the United States approximately $181 billion every year.