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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Homunculus maps of human body parts along the cerebral cortex. Homunculus maps of human body parts along the cerebral cortex.
These species are all at risk of extinction. Species with slow life-h These species are all at risk of extinction. Species with slow life-h
A taxonomy of the human species. A taxonomy of the human species.
(a) Blue arrows (right side): External components of the innate immune system: human body with skin, ... (a) Blue arrows (right side): External components of the innate immune system: human body with skin, ...
The Metabolism of Alcohol in the Human Body The Metabolism of Alcohol in the Human Body
A phylogenetic tree showing that all non-African human populations share a closer genetic relationsh A phylogenetic tree showing that all non-African human populations share a closer genetic relationsh
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