Assertion: testosterone's problem | /r/CapableOf | lie in the brain
Facets:
Source sentences:
text: Testosterone gel can treat either type of low testosterone levels (whether the problem lies in the testes or the brain), because it does not rely on either the testes or the brain to increase hormone levels.
text: Testosterone topical solution can treat low testosterone, whether the problem lies in the testes or the brain, because it does not rely on either the testes or the brain to increase testosterone levels.