Men who lack desire have low levels of it, study finds

Men with lower levels of prolactin had worse health both sexually and overall
Prolactin is best known for its role as the hormone that stimulates breast development and milk production in women
But it has many other functions and has been linked with sexual satisfaction

Men with a poor sex drive may have low levels of a hormone traditionally associated with breastfeeding.
A study has found that men with reduced levels of prolactin had worse health both sexually and overall.
Prolactin is a hormone produced by the pituitary gland, which lies under the brain. It is best known for its role as the hormone that stimulates breast development and milk production in women.

Worried: Men with a poor sex drive may have low levels of the hormone prolactin, a new study has found

But it also has many other functions, including providing the body with sexual satisfaction. The hormone is thought to counteract the effect of dopamine, which is responsible for sexual desire.

Until now, it was thought that high levels it affected a man's performance in the bedroom, so the researchers say they were surprised by the new findings.