(Getty Images/CatherineL-Prod) (NEWSER) – Two drugs—one to treat hair loss, the other to shrink enlarged prostates—could wreak havoc on men’s sexual health. Researchers at Northwestern University reported Thursday in the journal PeerJ that among the men they studied who are between the ages of 16 and 89 and who took either finasteride (for their hair or prostate) or dutasteride...