Lice in at Least 25 States Show Resistance to Common Treatments. Aug. 18, 2015 â The start of the school year means new classes, new friends, homework and sports. It also brings the threat of head lice. Scientists report today that lice populations in at least 25 states have ...
Both testosterone and estrogen levels experience a boost through regular sexual activity. Testosterone does more than just boost your sex drive, it helps fortify bones and muscles, and it keeps your heart in good working condition as well. In women, sex increases the levels of estrogen, which protects against heart disease.
The Rise Of Testosterone And The Female Brain. While estrogen increases synaptic connectivity, testosterone production increases a womanâs sex drive during her period, as progesterone is lowest during this time. The combination of both increasing estrogen and testosterone levels leads women tend to feel more sexual.