Low Blood Flow To Penis, And How It Can Impact Men's Sexual Health

This podcast is for you. The Modern Man I'm Dr. Anne Truong, your host. I'm an intimate health medical doctor and best selling author of the book Erectile Dysfunction Fix. I'll do a deep dive into sexual health and performance and how it affects men of all ages and backgrounds. So let's get started and be sure to visit my website@sexualhealthformenpodcast.com for more information and resources from the show. See you on the inside in this episode, I will teach you how decreased blood flow causes ED and other causes for ED such as smoking, alcohol, marijuana, obesity and others. And some you may not even know about since erection depends on the blood vessels that serve the penis, it's not surprising that vascular disease is the leading cause of ed. There are multiple ways to have trouble to develop in the course of an ED of an erection. The most common type of vascular disease is atherosclerosis, which occurs when fatty deposits build up on artery walls and narrowing and clogging them. Imagine a pipe that is clogged up with hair and debris that prevents water to flow through the pipe. The restriction in blood flow can restrict the erection to occur especially in the arteries that supply the blood to the penis. High blood pressure, high cholesterol, diabetes, smoking all contribute to this condition such as atherosclerosis. This blockage starts in the arteries like the aorta in the abdomen, which supplies the blood flow to the pelvis and the penis. If you have a blockage in the aorta like an abdominal aortic aneurysm or triple A, the nerves and the arteries to the penis lie below the aorta, so an aneurysm of AAA can decrease the blood flow to the penis. This is called proximal blockage. This is one of the reason why ED medications such as Viagra and Cialis do not work as a treatment for ED because they do not address the cause of the blockage or the venous leak. Now, venous leak is where blood seeps out of the veins in the penis during an erection instead of being trapped inside. As a result, a man can get an erection but he cannot sustain it. If the veins do not constrict enough, blood will leak back into the body, softening the erection. Many men with this type of ED find that they can get a firm erection at first but gradually lose firmness and in fact, venous leak is probably one of the most common cause of ed. Venous leak is often in younger men. Several factors can contribute to the venous leak and ED vascular disease such as affecting the blood vessels, radiation therapy for cancer treatment, diabetes, Peyronie's disease, nerve disorders and anxiety, falls, traffic accidents and even trauma can damage the arteries, veins and nerve and that produce and sustain an erection. Example is the pelvic fracture. A 2020 study in JAMA Neurology found an intriguing link between a history of concussion, informal professional football players and ed. The more symptoms of concussion reported by the players, the more likely they were to receive medication for ED later on in life. Even prolonged exercising on a rowing machine or bicycling on a seat that's too hard can cause ED by injuring some of the nerves or artery in around the penis. Now I will talk about bicycling and ED and treatment for this in the next few episodes. Diabetes can cause ED in at least two ways. It can harm the nerve that tells the arteries in the penis to open, and it can also restrict blood flow by damaging the blood vessel. People with diabetes often have high blood pressure and high cholesterol, which then compounds the condition that impairs blood flow. Men with diabetes are four times more at risk to have edited the ED usually develops gradually. It may not be as rigid and cannot be sustained. Sometimes ED is the first sign that a man has diabetes. The worse the blood sugar control, the worse the ed. Let's talk about hormones. Testosterone helps spark sexual interest or libido. You might think that low level of hormone of the testosterone hormone can contribute to ed. Low testosterone can indeed play a role, but there is no simple correlation between low testosterone and ed. Some men with low testosterone level have ed, but others do not. Nor does low testosterone therapy or testosterone therapy necessarily solve the problem in those who have ed. A study based on data from the Massachusetts Male Aging Study point to a complex relationship between erectile function and sex hormone. In an analysis of these tests drawn from 625 men, Ed was not associated with below normal levels of testosterone. Hypogonadism is the most common cause of ED. This means that testosterone produced by the body, mainly 90% in the testicles and about 10% in the adrenals, fall below the normal range, which is below 300 nanograms per deciliter or free testosterone of 5 nanograms per deciliter. Usually the total is being measured because total testosterone, which is to a protein called sex hormone binding protein, is more stable throughout the day than the free. But I usually order both. The bottom line is men with possible symptoms of androgen deficiency or testosterone deficiency can actually discuss it with their doctor and request a blood test to measure testosterone level but even if your level is low, treatment with supplemental testosterone won't necessarily restore erectile function, although your libido will get a boost as well as getting more energy, focus and more muscle definition with testosterone supplementation. Even thyroid low or high can affect ED by disrupting testosterone. Balance Being overweight no exercise such as sedentary activity, poor diet contribute to ED. 80% of men with ED are overweight or obese. BMI have bmi of over 30 and the belly is a risk factor for ED. Having a 42 inch waist more likely to have ED than men with 32 inch waist in a study that was in the Journal of Sexual Medicine, the results showed that men who exercised less than the recommended 150 minutes a week were 40 to 60% more likely to experience ED than more active men. So how much exercise is good? In A study in the Journal of Sexual Medicine shows two hours of strenuous exercise such as running six miles per hour or fast swimming or three and a half hours of moderate intensity exercise such as dancing or double tennis or six hours of light exercise such as walking. Poor diet with processed food simple carbohydrate fried food cause weight gain and heart disease. A Mediterranean diet is recommended. It is a diet high in vegetable, fruit, legume, nuts, beans, cereals, multigrain bread, fish and unsaturated fats such as olive oil. It usually includes a low intake of meat and dairy food. It is high in antioxidant omega 3 fatty acid which can fight inflammation and keep blood vessels healthy. Smoking the more cigarettes you smoke, the higher your risk of ED. Smokers are 50% more likely to develop ED. Smoking can directly interfere with the nitric oxide signaling system that produces an erection and of course smoking damage your arteries. Heavy smoking or smoking more than 20 cigarettes a day causes severe ED that happen and unfortunately may not be reversible following smoking cessation, possibly because the damage already occurred to the delicate blood vessel at that time. However, there is some good news. There is some mounting evidence that some damage is reversible if smoking is stopped prior to middle age and is not restarted. So how much is bad for smoking? A 29 pack history per year is responsible for significant increased risk for ED compared to a less to someone who smoked like 12 pack year history and this carries the same risk factor as for a non smoker. Alcohol and substance abuse like to moderate drinker or men who average one to two drinks a day are 33% less likely to have ED than non drinkers according to a Harvard health professional Follow up study Heavy drinking can make ED worse. For one thing, alcohol can inhibit sexual reflexes by dulling the central nervous system or the brain. Drinking large amount of alcohol over a long period of time can also damage the liver leading to a hormonal imbalance, in this case raising the level of estrogen. Alcohol causes dehydration when which then decrease blood volume and increase angiotensin release, a hormone that is associated with ed. Long term alcohol abuse can actually cause damage to the nervous system which is responsible for triggering the signals that cause an erection. Study have also shown that prolong alcohol abuse and can cause irreversible damage to the nerve to the penis. Alcohol can affect orgasm, ejaculation and also can decrease testosterone. So drinking two drinks a day does not contribute to ed. Illegal drugs such as marijuana, cocaine, heroin, barbiturates and amphetamine can trigger problems by acting on the central nervous system or the brain. Some men find that their sexual performance improves when they use marijuana. For instance, if men become less anxious, they may have better ejaculatory control. However, other men experience sexual problems with marijuana such as the following. Like low desire, marijuana can cause men to lose their motivation for sexual. For a firm erection to occur, the smooth muscle tissue in the penis need to relax to allow blood flow to come in. However, if THC is combined with CBD receptors in the penis, this process becomes disruptive. Also, marijuana can make men too relaxed to have a firm erection. Studies have shown that men who use marijuana regularly are more likely to have trouble reaching orgasm. Marijuana can increase a man's level of dopamine. It's a neurotransmitter that's associated with pleasure and reward. It may also heighten anxiety. Both of these situations can result in premature ejaculation. The extent to which marijuana impair a man's sexual function can depend on the dose and frequency of use. Men who use higher dose or use it more frequently are more likely to develop sexual problems than those who use marijuana only occasionally. Also, some people are more sensitive to marijuana effect than others. In the next episode, I will talk about treatments of ed, so stay tuned and I'll see you in the next episode.