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Author Question: Drugs such as Cialis and Levitra produce a penile erection by increasing the production of ... (Read 43 times) |
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.