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Yes, most men with spinal cord injuries can have satisfying sex lives with the right medical care, adaptive techniques, and open communication.

Yes, many men can have sex after prostate removal, though erections and orgasm often change and may need rehab or medication.

Most penile implants restore near-natural erection size but rarely create extra length or girth beyond your original healthy erection.

Yes, penis size can decrease over time due to weight gain, reduced blood flow, hormone changes, scar tissue, surgery, or other health problems.

Yes, high vitamin B12 intake or blood levels can sometimes cause side effects or signal hidden health problems.

Yes, taking too much vitamin B12 can trigger side effects in some people, even though this water-soluble vitamin has a low toxicity.

Yes, high doses of vitamin B12 from supplements can cause side effects in some people, though toxicity is rare in healthy adults.

Yes, some couples stay married without sex when both partners agree on it, feel emotionally close, and share clear expectations.

Yes, some men can reach orgasm without releasing semen when arousal peaks but little or no fluid leaves the body.

Most men can’t sustain continuous intercourse for 2 hours, but with pacing and breaks, longer sessions are possible for some.