Heroin dependence was induced over a period of 10 days
This hypothesis is confirmed by the study of 5 -reductase-2 deficiency syndrome
Common causes of erectile dysfunction include: Vascular conditions atherosclerosis, hypertension, and diabetes can impair blood flow Neurological disorders multiple sclerosis, Parkinson's disease, or spinal injuries Hormonal imbalances low testosterone, thyroid disorders Psychological factors anxiety, depression, stress, relationship difficulties Medications certain antihypertensives (e.g., thiazide diuretics, some beta-blockers), antidepressants (particularly SSRIs), antipsychotics, and 5-alpha-reductase inhibitors Lifestyle factors smoking, excessive alcohol, obesity, sedentary behaviour According to NICE Clinical Knowledge Summary guidance, ED is often an early marker of cardiovascular disease, as the penile arteries are smaller than coronary vessels and may show atherosclerotic changes earlier
Although natural alternatives can offer complementary benefits, they should be approached with caution and informed guidance