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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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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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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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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

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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.

(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Tooth Anatomy Tooth Anatomy
The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ... The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ...
(A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ... (A) Thumb slides to forehead in 2–3 rows, and along the eyebrow to the outer edge. (B) Press into ...
Connective Tissue Covering of Spinal Nerves Connective Tissue Covering of Spinal Nerves
Connective Tissue Covering of Spinal Nerves Connective Tissue Covering of Spinal Nerves
Video: Mechanisms of capillary exchange

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