Health and sexuality With a healthy lifestyle you can maintain your sexual functions and libido till a high age. My recent erection at age 41. I've written lots about my penis and penises in general. But there's one important thing that we haven't been discussing. The general health is related to the penis, erection, hormones and libido and so on. To be able to maintain the sexual health and be able to enjoy the sexuality for a long time you should be concerned about your health. General health Obesity decreases your sex hormones and impacts on your libido and erections. Smoking has a bad influence on your erections. If you have a high blood pressure (over 140/90 mmHg) you should change your lifestyle and/or go to visit a doctor and discuss about blood pressure medication. If your blood sugar is high (over ~ 5.6 mmol/l or 100 mg/dl in the morning) you should change the lifestyle as well and go to a doctor. If your BMI is 30 or over, you should loose some weight