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.
Men have higher concentrations of testosterone than women because the hormone controls a man's sex drive, regulates his sperm production, promotes muscle mass, increases his energy and influences his overall behavior. The testosterone level for an average adult male is between 270 and 1,070 ng/dL, explains Healthline.