Testosterone is a very important hormone for both men and women. After the age of 30 years, old testosterone production
A man’s body goes through dramatic physical changes throughout his lifetime, particularly when it comes to testosterone. As you age, your testosterone levels naturally decrease.
The human thyroid is positioned in the lower neck. The organ is shaped like a butterfly. Thyroxine (T4) and triiodothyronine (T3) are two hormones converted