Both red blood cells and testosterone drop as the body becomes fatigued, impairing performance.
Now while females don't have high levels of testosterone , they still do have levels of this hormone.
Anabolic steroids are drugs that are related to testosterone , a male hormone.
Finally, the adrenal cortex produces the male sex hormone testosterone .
Men who have low levels of the male hormone, testosterone , are also at a higher risk of osteoporosis.
The testicles are glands that produce sperm and the hormone testosterone .
Following therapy, angina patients using testosterone could walk further and had fewer symptoms.
Precisely how testosterone may trigger violence in the brain is a mystery.
The male hormone, testosterone , also helps to keep the bones healthy.
There is evidence now that testosterone may be as useful as oestrogen in maintaining alertness.