Asthma cases in Americans are about 75% higher today than they were in 1980.
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The human body produces and destroys 15 million blood cells every second.
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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
Extent of agricultural activity across the planet (data from Foley et al. 2005).
Default Activity in the Alzheimer Brain
Induced-fit model of enzyme activity.
Physical Activity Pyramid
Brain Hemisphere Activity
Steps in the regulation of p53 levels and activity