衆所周知，如果在獲得或維持陰莖勃起方面發生困難，往往預示着身體某些部位的血管功能障礙，其中就包括心臟病，當然，其他一些因素也會影響到你的勃起功能。
第一、高膽固醇
第二、吸菸（收縮陰莖血管）
第三、飲酒過量
第四、糖尿病（百分之六十的男性糖尿病患者有勃起問題）
第五、某些處方藥物（特別是高血壓和心血管藥物）
第六、鎮靜劑和抗抑鬱藥
第七、放射治療
第八、盆腔手術（膀胱和結腸）
第九、前列腺癌根治術（百分之六十的男性在前列腺癌根治術後發生陽痿）
第十、中風或神經系統疾病，包括帕金森氏病、阿爾茨海默病和多發性硬化症
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As was mentioned earlier, difficulty in getting or maintaining an erection is often a predictor of vascular problems elsewhere in the body, including heart disease. Other factors that can affect your erection include:
High cholesterol
Cigarette smoking (which constricts the blood vessels leading to the penis)
Excessive alcohol
Diabetes (as many as 60 percent of diabetic men have erection problems at some point)
Certain prescription drugs, particularly blood pressure and cardiovascular medications, plus some
tranquilizers and antidepressants
Radiation therapy
Pelvic surgery (bladder, colon)
Following radical prostate cancer surgery (60 percent of men, after all types of radical prostatectomy, have impotence)
Stroke or neurological disease, including Parkinson’s, Alzheimer’s, and multiple sclerosis
