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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.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.