Hormones like DHT have impacts across the lifespan.

“Here I just want everyone to keep in mind that we tend to think about development as childhood, teenage years, young adulthood, adulthood, but really development never stops. Development is something that starts at conception and birth, of course, and then extends all the way out until the point when we die, so even if we live to be in our late 90s or achieve 100 years of age, development is occurring that entire time, and these different hormones such as Dihydrotestosterone are having different impact for across the lifespan and in different ways across the lifespan.”