Did you know?
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.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
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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.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Continental Drift—An Early Idea
Five Areas for listening to the heart
Buddhist philosophy allows for the idea of reincarnation, as the self passes from body to body. The ...
Measuring the Weight and Length of an Infant
Measuring leg length
A simple pendulum of length 2.5 m m makes 5.0 complete swings in 16 s s . What is the ...