Men yawn to eat the equivalent of Viagra?
Male erectile generally induced by sexual stimulation, including visual stimulation and direct stimulation. The latter will produce neural nitric oxide synthase, thus promoting an erection. The yawning reflex as a primitive mechanism is a birthright.
Deep breathing through the long, enabling more oxygen into the lungs, to reach the blood, promote the exchange of oxygen in vivo.
In this process, but also encourage the brain to produce nitric oxide. It is not only able to get control of respiratory neuron, protect the cardiovascular system, but also along the spinal cord down until the energy transfer to the penile blood vessels. For example, when male yawning, there will vibrate the penis resulting phenomenon. Need to add is used to treat erectile dysfunction, “Viagra” drugs, one of its functions is to promote the formation of nitric oxide in vivo. Therefore, yawning and eating “Viagra” can be described as similar to, but the effectiveness of the two mixed.
Therefore, when the wives see their husbands absent-minded, yawn repeatedly, do not blindly complain, but to encourage them to play a few more than the occasional yawn in a timely manner, perhaps to receive unexpected results. The elderly in general the degree of sensitivity to visual stimulus decreased, if more than consciously playing a few yawn, can increase the production of nitric oxide in the body to help an erection firmer.
Of course, we should not blindly believe that the effect of yawning, but also should do regular exercise. During exercise, in addition to an increase of testosterone, resulting in addition of nitric oxide, but also physical fitness. Physical fitness has increased, libido naturally will grow further.