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Author Question: Which smoking-related disease destroys the air sacs in the lungs? A) Chronic bronchitis B) ... (Read 52 times) |
Approximately 500,000 babies are born each year in the United States to teenage mothers.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.