The results of a recent study suggest that, if there is no deficit of the hormone, supplements are unlikely to improve a man’s libido
The results of a recent study suggest that, if there is no deficit of the hormone, supplements are unlikely to improve a man’s libido
Yes, that’s the subtitle of the article
Which is a misleading title, clickbait, getting you to click to find out what you already knew.
The title of an article isn’t meant to 100% precisely list all facts. It’s reasonable to assume readers are able to infer “Increasing testosterone levels [beyond normal levels] does not increase sex drive”.