Changes in human sex ratio at birth are associated with the presence of air and water pollution, a new study reports.
Researchers hypothesis the projected decline in global population by 2064 will be a result of social stress.
Researchers have identified 371 genes, eleven of which were sex-specific, linked to the timing of when a person first has sex and the point of life they are most likely to become parents.
Mouse study reveals "on-off switch" nerve cells for male mating and aggression in the amygdala. MPN signaling cells in the amygdala that communicate with the hypothalamus are associated with reproductive behavior, and VMHvL signaling cells play a critical role in aggression.
Study reveals one in five woman have at least one female sexual dysfunction (FSD). The most common FSD is low sexual image, followed by problems with arousal and desire.
Small doses of a metabolic compound reverses the aging process and could help restore the number of eggs in females.
A new study reports selfish people are more likely to have less children and earn less money than their more generous peers.
Researchers say parabens and other chemicals found in common cosmetic products may negatively impact a woman's hormone levels, increasing the risk for certain diseases.
University of Bern researchers report that reproductive hormones don't only regulate fertility, they also are related to how attractive a woman smells to the opposite sex.
In fruit flies, the need to sleep is overridden by the need to mate, a new study reports.
Researchers have discovered a pair of neurons inside the brains of male nematodes that allow them to remember and seek sex, even at the expense of food.
A new study reports zebra finches that were allowed to breed with their preferred partner achieved a 37 percent higher success rate in reproduction over pairs that were forced to mate.
