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.
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.
In fruit flies, the need to sleep is overridden by the need to mate, a new study reports.