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.
1 Testosterone increases body weight (and increases appetite). The form that this weight gain will take depends on diet and exercise as well as genetic factors. 2  Many transgender men report an increased energy level, decreased need for sleep, and increased alertness after testosterone therapy.