Unfortunately, the rhinoceros population in Africa has dwindled to the point of near extinction, largely as a result of the erroneous belief that rhinoceros horn is a(n):
A) estrogen replacement.
B) effective aphrodisiac.
C) androgen-blocking drug.
D) cure for hypogonadism.
Question 2
Which one is NOT true of aphrodisiacs?
A) Alcohol is one of the readily available and inexpensive aphrodisiacs.
B) Foods that resemble male genitalia have often been tried as aphrodisiacs.
C) Marijuana has erroneously been reported to stimulate sexual desire.
D) The term derives from the name of the Greek goddess of love.
The “Infertility Belt” In certain countries in Central Africa, infertility rates are as high as 30%
Your Culture and Your Point of View
Population Pyramids
Working-Age Fraction of the U.S. Population, 1950–2050
Distribution of the World’s Population
Acquisition and Extinction of a Salivary Response