Pheromones—chemicals produced by animals—are well-known for influencing the social and sexual behavior of members of the same species. These chemical signals convey vital information, such as gender ...

In animals with social structures, the drive to reproduce is a complex process; governed by the brain, it's influenced by both internal cues such as hormones and external factors such as interactions ...

Long-term fasting in 24-hour cycles increases the sex drive of male mice by lowering the concentration of the neurotransmitter serotonin in the brain. This effect is linked to a diet-induced ...