How do erections work?
During sexual arousal, nerves release chemicals that increase blood flow to the penis. Blood flows into the two erectile chambers in the penis, which are made up of spongy muscle tissue (erectile tissue). The corpus cavernosum space is not hollow.
During an erection, the spongy tissue relaxes and traps blood. The blood pressure in the chambers makes the penis hard and causes an erection. When a man has an orgasm, a second series of nerve signals reach the penis, causing the muscle tissue in the penis to contract and blood to be released back into the male circulation and the erection is lost.
When you are not sexually aroused, the penis becomes soft and relaxed. Men may find that penis size varies depending on heat, cold, or fear; This is normal and reflects the balance of blood entering and leaving the penis.
Symptom
Erectile dysfunction (ED) makes it difficult to achieve or maintain an erection stable enough for sex. When ED becomes a routine and bothersome problem, your primary care doctor or urologist can help.
ED can be an important warning sign of cardiovascular disease and can indicate that a blockage is building up in a man's vascular system. Some research suggests that men with ED are at a significant risk of heart attack, stroke, or poor circulation in the legs. ED also causes:
Inferiority
depression
Troubles for men and their partners
When ED affects a man's well-being or his relationship, it requires treatment. This treatment aims to improve or enhance erectile function, improve circulatory health and support a man's quality of life.
Reason
ED can be caused by health problems, emotional problems, or both. Some of the known risk factors are:
Over 50 years old
you have high blood sugar (diabetes)
For high blood pressure
Presence of cardiovascular disease
Presence of high cholesterol
smoke
Drug use or drinking too much alcohol
obesity
Sedentary lifestyle
Although ED becomes more common with age, aging does not always cause ED. Some men remain sexually functional well into their 80s. ED can be an early sign of a more serious health problem. Finding and treating the cause of ED is an important first step.
Physical causes of ED
ED occurs when:
There is not enough blood in the penis
Many health problems can affect blood flow to the penis, such as: B. Hardened blood vessels, heart disease, high blood sugar (diabetes) and smoking.
The penis cannot absorb blood during an erection
If blood does not stay in the penis, the man cannot maintain an erection. This problem can occur at any age.
Nerve signals from the brain or spinal cord do not reach the penis.
Certain diseases, injuries, or surgeries in the pelvic area can damage the nerves of the penis.
Diabetes can cause small blood vessel disease or damage to the nerves of the penis
Treating cancer near the pelvis can affect penile function
Surgery and/or radiation for stomach or pelvic cancer can cause ED. Treatment for prostate, colon, and rectal cancer, or bladder cancer, often causes ED in men. People with cancer should see a urologist about sexual health issues.
Medications used to treat other health problems can affect erections
Patients should talk to their GP about the side effects of the medication.
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| Create Date : 27 ธันวาคม 2564 |
| Last Update : 15 กรกฎาคม 2565 18:15:47 น. |
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