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Question: When he is in school, Igor, who has Sickle cell anemia, is often tired when afternoon arrives. What ... (Read 4489 times)
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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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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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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.
A hypothetical model of the process of cell-wall expansion.
A Prokaryotic Cell
Cancer cell.
Viruses must infect a host cell to grow and reproduce
Sigmund Freud (1856–1939). Austrian doctor who founded the psychoanalytic school of psychology. ...
A single cell from an early-stage human embryo