Among women with a natural menopause, the risk of breast cancer was nearly -fold greater among current users of estrogen plus testosterone therapies (multivariate relative risk, ; 95% confidence interval, -) than among never users of PMHs. This analysis showed that risk of breast cancer associated with current use of estrogen and testosterone therapy was significantly greater compared with estrogen-only therapy (P for heterogeneity, .007) and marginally greater than estrogen and progesterone therapy (P for heterogeneity, .11). Women receiving PMHs with testosterone had a % (95% confidence interval, %-%) increased risk of breast cancer per year of use.
Rest Harder Than You Work Out
If you overtrain -- meaning you don't allow your body to recuperate adequately between training sessions -- your circulating testosterone levels can plunge by as much as 40 percent, according to a study at the University of North Carolina. The symptoms of overtraining are hard to miss: irritability, insomnia, muscle shrinkage, joining the Reform Party. To avoid overtraining, make sure you sleep a full eight hours at night, and never stress the same muscles with weight-lifting movements two days in a row.
limits endometrial growth stimulated endometrial growth
matures breast cells stimulates breast cell growth
normalizes blood pressure increases blood pressure
removes excess fluid retains fluid
normalizes blood clotting increases blood clotting
resists cancer promotes cancer
strengthens immunity weakens immunity
decreases inflammation increases inflammation
decreases PMS symptoms increases PMS symptoms
slows aging quickens aging
protects the prostate in men stimulates prostate cell growth in men