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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.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Lions mating in Ngorongoro Conservation Area, Tanzania Lions mating in Ngorongoro Conservation Area, Tanzania
Aquilia Area in Color: Aquilia Area in Color:
Firing Patterns of a Supplementary Motor Area Neuron Firing Patterns of a Supplementary Motor Area Neuron
Osmosis: Water moves from an area of low solute concentration to an area of higher solute ... Osmosis: Water moves from an area of low solute concentration to an area of higher solute ...
Basic sliding effleurage using the forearm applies broad, deep pressure to an area. Basic sliding effleurage using the forearm applies broad, deep pressure to an area.
How to find the volume and surface area of any cylinder How to find the volume and surface area of any cylinder
Video: Parkinson's Disease

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