阳痿(勃起功能障碍,ED)是男性无法获得或维持足够勃起的常见问题,全球约50%的40岁以上男性受其影响^1。在新加坡,快节奏生活、独特饮食文化及老龄化趋势使ED问题日益突出。本文以中英双语解析男性阳痿的常见原因,并提供科学应对建议。
Erectile Dysfunction (ED) refers to the inability to achieve or sustain an erection, affecting 50% of men over 40 globally^1. In Singapore, fast-paced lifestyles, dietary habits, and ageing populations exacerbate ED risks. This bilingual article explains common causes and solutions.
1. 生理原因 | Physical Causes
a. 血管功能障碍 | Vascular Issues
- 动脉硬化:高血压、高胆固醇导致阴茎血流减少(新加坡心血管疾病患病率高达20%^2)。
Atherosclerosis: Hypertension and high cholesterol reduce penile blood flow (20% of Singaporeans have cardiovascular disease^2). - 糖尿病:长期高血糖损害神经与血管(新加坡糖尿病患病率全球第二^3)。
Diabetes: Chronic high blood sugar damages nerves and vessels (Singapore ranks 2nd globally in diabetes rates^3).
b. 荷尔蒙失衡 | Hormonal Imbalance
- 睾酮不足:40岁后男性睾酮每年下降1%-2%,导致性欲减退。
Low Testosterone: Testosterone declines 1%-2% annually after age 40, reducing libido. - 甲状腺疾病:甲状腺功能异常干扰性激素分泌。
Thyroid Disorders: Hyperthyroidism or hypothyroidism disrupts hormone balance.
c. 神经损伤 | Nerve Damage
- 脊髓损伤:交通事故或运动意外可能阻断勃起神经信号。
Spinal Injuries: Accidents or sports injuries may block nerve signals. - 慢性疾病:帕金森病、多发性硬化症影响神经传导。
Neurological Disorders: Parkinson’s disease or multiple sclerosis impair nerve function.
2. 心理原因 | Psychological Causes
a. 慢性压力与焦虑 | Chronic Stress & Anxiety
- 职场高压:新加坡男性平均每周工作45.9小时^4,压力抑制性激素分泌。
Workplace Stress: Singaporean men work 45.9 hours weekly^4, suppressing sex hormones. - 经济负担:住房贷款、育儿成本引发持续性焦虑。
Financial Burden: Housing loans and childcare costs create chronic anxiety.
b. 情绪障碍 | Emotional Disorders
- 抑郁症:患者ED风险比常人高2倍,抗抑郁药可能加重症状。
Depression: Depressed individuals face double the ED risk; antidepressants may worsen symptoms. - 创伤经历:性侵或情感虐待导致性回避行为。
Trauma: Sexual abuse or emotional trauma triggers sexual avoidance.
c. 表现焦虑 | Performance Anxiety
- 初次性经验压力:青年男性因缺乏自信陷入心理性ED循环。
First-Time Anxiety: Lack of confidence in young men fuels psychological ED. - 完美主义倾向:对“理想表现”的追求反而引发失败恐惧。
Perfectionism: Pressure for “perfect performance” breeds fear of failure.
3. 生活方式因素 | Lifestyle Factors
a. 吸烟与酗酒 | Smoking & Alcohol
- 吸烟:每日吸烟>20支者ED风险增加65%^5。
Smoking: Smoking >20 cigarettes/day raises ED risk by 65%^5. - 酗酒:酒精抑制中枢神经系统,降低勃起硬度。
Heavy Drinking: Alcohol dulls nervous system responses, reducing erection firmness.
b. 肥胖与缺乏运动 | Obesity & Inactivity
- 肥胖:新加坡37%男性超重^6,脂肪组织释放炎症因子损害血管。
Obesity: 37% of Singaporean men are overweight^6; fat cells release inflammatory chemicals. - 久坐:每日久坐>8小时者ED风险增加30%。
Sedentary Lifestyle: Sitting >8 hours/day increases ED risk by 30%.
c. 睡眠障碍 | Sleep Disorders
- 睡眠呼吸暂停:缺氧导致血管内皮功能障碍,ED风险增加50%。
Sleep Apnea: Oxygen deprivation damages blood vessels, raising ED risk by 50%.
4. 药物与医疗因素 | Medications & Medical Conditions
- 处方药副作用:抗抑郁药(SSRIs)、降压药(β受体阻滞剂)可能抑制勃起。
Prescription Drugs: SSRIs and beta-blockers may impair erections. - 前列腺治疗:手术或放疗损伤控制勃起的神经血管束。
Prostate Treatments: Surgery or radiation damages nerves and blood vessels. - 慢性疼痛管理:长期使用阿片类药物降低性欲与勃起能力。
Chronic Pain: Long-term opioid use reduces libido and erectile function.