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

Yes, semen in the vagina during a healthy pregnancy is usually safe, unless your clinician has told you to avoid sex.

No. Triple-antibiotic ointment does not treat the virus, though it may protect cracked skin from bacteria in some cases.

No, nicotine is not a sound way to raise testosterone, and tobacco exposure can hurt fertility, blood flow, and long-term health.

No, NFL players can’t freely throw the ball into the stands; a toss into the crowd can draw a penalty, a fine, or both, based on timing and context.

No, nicotine has not shown a reliable rise in testosterone, and tobacco use is tied to fertility and hormone-related harm.

Yes, some Nioxin products may aid scalp regrowth or fuller-looking hair, yet results depend on the product, the cause of thinning, and steady use.

No, these products can make thinning hair look fuller and cut breakage, but true regrowth usually needs a proven treatment like minoxidil.

Yes, heavy exposure may push testosterone down in some men, but human findings are mixed and sperm damage is a steadier concern.

Yes, niacin may ease erectile symptoms in some men with abnormal blood lipids, but it is not a standard ED treatment and it can cause side effects.