In the fetal and embryonic stages of development, testosterone promotes the development of the
In the pubescent years (age 9 to 14), testosterone helps in the growth of the testes, body hair, muscles and bones as well as sexual maturation and deepening of the voice.
In adulthood, testosterone may...
Every year over 200 million prescriptions are written for opioids in the United States. An opioid is a chemical substance that acts like morphine in... Read more »