That. Testosterone is the most important mile 6 homeowners men who are heavily influenced by testosterone a said to be egotistical and i enjoy taking risks but a number of european scientists have been trying to find out whether testosterone is really as bad as its reputation. To lead. Weve come to the minster University Hospital to talk to talk to michelles its man a german specialist in the treatment of diseases that affect men is also an expert on whole mines. Hooten true feeded you know just astro is responsible for the development of a number of male physical characteristics including hair patterns on the head of it also determines beard growth affects muscles and a mans overall personality as the story gets a much more complex hormones than some people might think. Most testosterone is produced in the testes but a small amount comes from the adrenal cortex. The specific sources of testosterone of alighting cells the hormones that are responsible for developing male characteristic