1 Laboratory animal practice-Some veterinarians work in a university or industrial laboratory and are responsible for the care and treatment of laboratory animals of any species (often involving bovines, porcine species, felines, canines, rodents, and even exotic animals).
High estrogen levels in men contribute to prostate cancer and heart disease as well as gynecomastia (enlarged breasts).As the testosterone is transformed into estrogen the low levels of testosterone can cause many unpleasant symptoms including loss of muscle mass, fatigue, low libido, erectile dysfunction.s teenagers, men have high levels of testosterone and low levels of estrogen. As they age, testosterone levels in men decrease while their estrogen levels increase.
Testosterone and Women. Testosterone levels affect women as well. However, women create lower levels and are more sensitive to androgens than men. Testosterone levels in women vary. According to the University of Rochester Medical Center, normal measurements range from 15 to 70 ng/dL.A womanâs estrogen levels drop after she enters menopause.estosterone levels affect women as well. However, women create lower levels and are more sensitive to androgens than men. Testosterone levels in women vary. According to the University of Rochester Medical Center, normal measurements range from 15 to 70 ng/dL. A womanâs estrogen levels drop after she enters menopause.