Trying to put off aging forever? It’s a popular goal: The anti-aging market, valued at $40 billion, is estimated to hit $60 billion by 2032. To stave off old age, people slather on wrinkle cream, pop ...

Testosterone levels peak for males during puberty and decline with age in all genders. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm count.