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TL;DR: Yes, belly fat — specifically visceral fat stored around the abdominal organs — is independently linked to erectile dysfunction. Large studies show obesity more than doubles ED risk, with visceral fat specifically driving this through testosterone suppression, oestrogen conversion,…

TL;DR: Yes, high cholesterol — specifically elevated LDL — is a well-documented and mechanistically understood cause of erectile dysfunction. A Mendelian randomisation study found a genetic association between high LDL and ED, supporting a true causal relationship rather than mere…

TL;DR: Yes, cycling can cause erectile dysfunction, but the risk is specific rather than general — it concentrates in men who cycle more than three hours a week, particularly with poor saddle choice or position. The mechanism is compression of…

TL;DR: Erectile dysfunction after heart bypass surgery is common but the outcome varies significantly between men. Studies report ED in up to 38.5% of men after CABG, and the evidence is genuinely mixed — some research shows improved erectile function…

TL;DR: Lisinopril is not a significant cause of erectile dysfunction. A large 18-year follow-up study of over 7,400 men found no statistically significant difference in ED risk between lisinopril, the thiazide diuretic chlorthalidone, and the calcium channel blocker amlodipine. As…

TL;DR: Topical minoxidil for hair loss is not established to cause erectile dysfunction — clinical trials and post-marketing data have not identified it as a significant side effect, and absorption into the bloodstream from scalp application is minimal. Oral minoxidil,…

TL;DR: Yes, an enlarged prostate (BPH) is independently associated with erectile dysfunction. Large studies show ED prevalence of up to 47.6% in men with BPH, and BPH is recognised as an independent risk factor for ED in men over 60.…

TL;DR: Ramipril is not a recognised cause of erectile dysfunction. ACE inhibitors like ramipril have a neutral to beneficial effect on erectile function, supported by a major randomised trial involving over 1,500 men. This is in clear contrast to older…