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What is the cause of a penile erection and why do they sometimes happen spontaneously? Why do they happen in circumstances completely unrelated to sexual activities or sexual opportunities? Why are they uncontrollable and why do they ocurr in younger males more readily than in older men?
An erection of the penis occurs when the two internal longitudinal areas of the penile shaft, the corpora cavernosa, become filled with blood after physical or mental sexual stimulation.
This results in swelling and enlargement, with a corresponding hardening of the penis. An erect penis is necessary for successful intercourse, and the harder and larger it is, the more pleasure is experienced by both parties.
From the physiological perspective, erections are caused by an increased flow of blood into the penis, by the retention of the blood within the penile shaft, and by a strong decrease in the outflow. Erections are maintained by the same phsyiological processes.
Muscles around the penis relax in order to allow the blood into the corpora cavernosa and corpus spongiosum (the area below the corpora cavernosa which houses the tube that carries both urine and semen) while contraction of other muscles reduces the outflow.
As the cavities of the corpora cavernosa fill with blood, the penis expands in both length and girth.
It also stiffens and rises to an almost perpendicular position (this varies from one man to another). but less so as a man ages.
The trigger that causes an erection can be physical stimulation of the penis; mental thoughts about sex or erotic pictures, videos, dreams etc; pressure from a filled bladder or else it can occur spontaneously, the direct cause of which is not known.
The mere incident of a female brushing or slightly coming into contact with his clothes in the vicinity of his pelvic area may be enough to trigger a physical or mental stimulation of the penis. Embarrassing as this may be, most males are completely unable to control the condition.
The chances of getting a spontaneous erection increases the younger a male is. This is because the male hormone is at a higher level in a younger male than an older one, and progressively decreases with age, although the general health and lifstyleof an individual may have an influence.
Under certain conditions of stress, worry, anxiety, general ill health, or excessive alcohol intake, it may be impossible for a man to achieve a part erection, never mind a full erection.
This inability to achieve or maintain an erection during foreplay or intercourse is known as impotence, or erectile dysfunction. This is a common condition amongst men of all ages, but gets progressively worse as a man gets older.
A whole book could be written about erectile dysfunction and its causes, but it can be said that leading a healthy lifestyle with plenty of regular exercise, a diet free from excessive fat, salt and sugar, with a moderate alcohol intake and being a non-smoker can lessen the effects of ED.
However, it's a condition that is also capable of being overcome by undergoing a program of penis enhancement using one of the methods available.
A positive, firm erection is necessary for a couple to enjoy the full benefits of a loving, intimate relationship. Sexual stimulation between a man and his partner is as natural an act as the sun rising. It's an act that allows each person to express their emotions and feeling of love for each other.
For those men who are having trouble in getting or maintaining an erection, then help is at hand. Products are available that will greatly assist in overcoming this problem. One such product, penis pills, is the subject of reviews on this web site.
What Causes an Erection? - Why it happens spontaneously
