Testosterone is the big burly hormone, a guy’s guy. It’s actually found in both men and women but it is the primary male sex hormone. Testosterone is what we so often use to explain the illogical behaviour of guys. Male levels of testosterone are 7-8 times the levels found in women. Their physiological effects impact on both behavior and physical appearance and is necessary for healthy living and wellbeing Like oestrogens a lack of it can have a number of adverse effects including osteoporosis and the thinning and weakening of bones.
Produced and released from the testicles in males and the ovaries in women, testosterone contributes to a number of key developments during puberty:
In young guys specifically it encourages the development of:
In adult males it is necessary for healthy sperm development, the regulation of energy and the maintenance of muscle mass. Testosterone levels decrease with age.
Testosterone isn’t the only factor in a raving sex drive. However it has been shown low testosterone can reduce your ability to have satisfying sex. Lack of sex drive and erectile dysfunction are problems that can result from low testosterone. The smart guys still aren’t that sure about the connection between testosterone and the sex drive of men or women.
The internet is a little confusing on this with loads of confusing studies showing this, that and a pig’s ear about testosterone and sex but here are some interesting facts:
Testosterone has always been associated with aggressive guy behavior. However there is little concrete proof of this. This is mostly as testosterone levels in the brain are difficult and risky to measure. Science has shown the high testosterones levels account for:
Testosterone also decreases when a guy first falls in love with someone new or when they become a father. A Decrease in testosterone levels of new fathers is thought to cause emotional and behavioural changes that promote fatherly care.