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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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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Roe deer of Eastern Europe, suit in April/May. Roe deer of Eastern Europe, suit in April/May.
Adolescent white lion in Kruger National Park, South Africa. Adolescent white lion in Kruger National Park, South Africa.
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Routes for utilizing substrates other than glucose in glycolysis Routes for utilizing substrates other than glucose in glycolysis
Video: Elementary kinetics

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