Short answers, pulled from the story.
The hypothalamus releases four critical hormones: oxytocin, prolactin, follicle-stimulating hormone, and luteinizing hormone. These hormones regulate sexual functioning and reproductive cycles through communication with the pituitary gland.
The American Psychiatric Association removed the classification of homosexuality as a mental illness in 1973. This decision followed research by Evelyn Hooker which revealed no correlation between homosexuality and psychological maladjustment.
Men generate millions of sperm daily while women are born with approximately 60,000 ova. Only about 400 of these 60,000 ova will ever mature during a woman's lifetime.
Doctors diagnosed the first reported cases of AIDS in America in 1981. The disease disproportionately affected gay and bisexual men, particularly black and Latino men.
The Federal Government began to fund family planning and subsidized birth control services for lower-class women and families in 1966. This action was ordered by President Lyndon B. Johnson.
A long-term study of 3,500 people between ages 30 and 101 found that sex helps people look between four and seven years younger. This conclusion was based on impartial ratings of the subjects' photographs by clinical neuropsychologist David Weeks.