With either mental or physical stimulation, your brain signals the nerve ending in the penis to release nitric oxide. Nitric oxide relaxes or dilates blood vessels, enabling them to open up and bring more blood to the penis and helping to create an erection.

Starting at the age of 40 the levels of prolactin increases, stimulating the conversion of dihydro-testosterone, causing enlarged prostate and erection difficulty in some men. Also with uncontrolled diet that are high in saturated fat, smoking and excessive drinking will cause cholesterol build up in your arteries and small veins. You may have a sexual impotence problem.
Steps to prevent sexual dysfunction:

1. Nitric oxide
Nitric oxide is a natural substance responsible for causing and maintaining an erection. By raising the level of nitric oxides safely and naturally, enables normal erection.

2. Amino Acids
L-arginine converts to nitric oxide rapidly and is one of the most powerful amino acids to help maintain normal erection. L-arginie can be found in grains, seeds, beans and nuts. L-arginine is generally considered to be very safe and high doses may be required for sexual enhancement. You can find L-arginine in health food stores.

3. Ginkgo biloba;
Studies suggest that ginkgo bibola can help to increase libido and improve erection.

4. Diet and exercise
Supplement can help, but they can not fix everything. Making your body healthy overall by
replacing foods that are high in saturated fat with polyunsaturated fat such as omega 3 fatty acids.

Reduce consumption of animal proteins by substituting them with eggs and soy products. Remember to eat a lot of fruits, nuts and green vegetables.

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Kyle J. Norton