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Yes, muscle can grow during a calorie deficit when lifting stays hard, protein stays high, and the deficit stays modest.

Yes, penile size can look or measure smaller from weight gain, cold, aging, scarring, weak erections, or a hidden-penis condition.

No, a partner is not usually affected by testosterone injections through normal contact, but topical testosterone can rub off on skin and needs extra care.

Yes, frequent ejaculation can leave the testicles or groin sore for a short time, but lasting, sharp, or swollen pain needs medical care.

Yes, bowel pressure, straining, constipation, and dehydration can leave you drained, dizzy, or sleepy for a while.

No, an antibiotic ointment won’t treat the herpes virus behind a cold sore, though it may soften cracked outer skin in some cases.

No, antibiotic ointment does not treat the herpes virus behind lip blisters, though it may shield split skin in a narrow set of cases.

No, Nioxin does not usually cause true hair loss, though scalp irritation, breakage, or a shed already in progress can make it seem that way.

Yes, NFL players can wear some jewelry, but exposed hard pieces, unsafe items, and unapproved visible gear can still bring trouble.

Yes. Trouble with the nerve signals that start and hold an erection can lead to erection problems, alone or along with blood-flow issues.