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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Population predictions for 2000–2050, using three different total fertility rates ( Population predictions for 2000–2050, using three different total fertility rates (
Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d
Fractures are diagnosed based on an X-ray of the broken bone. Shown here: a comminuted fracture of ... Fractures are diagnosed based on an X-ray of the broken bone. Shown here: a comminuted fracture of ...
Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ... Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ...
Patient diagnosed with type 2 diabetes mellitus. Periodontal examination revealed deep periodontal ... Patient diagnosed with type 2 diabetes mellitus. Periodontal examination revealed deep periodontal ...
Total Fertility Rate in Japan: Actual versus Forecast Total Fertility Rate in Japan: Actual versus Forecast
Video: Bone elongation - processes at the epiphyseal plate

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