Which of the following causes some older men to lose their muscle strength? Oa decrease in the hormone testosterone
O an increase in the hormone estrogen
O an increase in the hormone testosterone
Oa decrease in the hormone estrogen

A decrease in the hormone testosterone

Explanation:

It not only helps with stimulating sperm or helps the sex drive of a man but it also helps with muscle mass it helps control weight and increases energy. When a man gets older they start losing that hormone which means lower sex drive and losing their muscle mass over time hence why they lose a lot of muscles they gained throughout their lives.

Hope this helped :)  

hmmm

true, i think.

i checked and it seems the answer is, true.