Testosterone affects many aspects of your health, from sexual function to disease risk. You may be able to increase your levels naturally by lifting weights and getting more of certain nutrients.

Binaural beat therapy is an emerging form of sound wave therapy. It makes use of the fact that the right and left ear each receive a slightly different frequency tone, yet the brain perceives these as ...

Testosterone is the key male sex hormone. Its functions include regulating fertility, muscle mass, fat distribution, and red blood cell production. When levels of testosterone drop below levels that ...

When two tones of slightly different frequencies are played in separate ears simultaneously (usually through headphones), the human brain perceives the creation of a new, third tone, whose frequency ...

Something weird happens to your brain when you play a steady tone at two slightly different frequencies. If one headphone speaker plays a low, constant drone at, for example, 400 Hertz and the other ...