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Author Question: The research of Masters and Johnson a. was appreciated by most people in the medical community ... (Read 33 times) |
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Illicit drug use costs the United States approximately $181 billion every year.
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.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.