A compound that interferes with the vitamin A pathway has been shown to render male mice sterile for the course of the treatment without affecting libido.

Testosterone levels in most men start to dip around middle age - and that can affect libido, mood, and overall health.

If you're taking any of these prescription drugs, you may want to talk to your doctor about finding an alternative that doesn't affect libido.

It might affect his energy, muscle mass, bone density, and libido, but it's unclear if it really does.

"It's the progestin that seems to affect libido," Dr. Hutcherson says.

Environmental stress, such as prolonged exposure to elevated sound levels or bright light, can also affect libido.

Besides biology, the following factors can affect female libido:

Does it affect libido?

It is important for men and their partners to understand that these drugs by themselves do not cause an erection or affect libido.