question: Hello sir/madam, i am 20 years old guy, i am suffering from hair loss. i have lost almost 40% of hair in my crown area. i consult a doctor he said it is due to genetic because my father have bald.i asked him whether to use ermavatin but he said it will grow your hair but affect when you involved in sex, he also said it will affect the sperms. Can you tell is it true or their marketing techniques.Can i use ermavatin at this age???