1. Use It or Lose It

Regular erections are necessary to maintain the health of your penis. According to Tobias Kohler, MD, an associate professor of urology at Southern Illinois University School of Medicine, “it has to be essentially exercised.”

According to Kohler, the surge of blood that enlarges and erectifies the penis is necessary to regularly feed the smooth muscle of the penis with oxygen in order to maintain a good tone.

Guys don’t need to worry if they can physically become erected but never have erections during the day. It’s possible that they spend a lot of time in situations that aren’t particularly sensual. An innate mechanism for maintaining penis is incorporated into the brain.

Erections occur during the dreaming stage of sleep, often known as the REM period, when brain impulses are responsible. Your penis hardens during that stage of the sleep cycle, regardless of whether you’re dreaming about steamy sex or a zombie apocalypse.

However, some men—such as those who have experienced nerve trauma or who have diabetes-related nerve or blood vessel damage—are physically incapable of achieving an erection.

“If they don’t do anything to maintain normal erections, they will get shortening of the penis,” explains Kohler. Penile tissue may shrink and become less elastic in the absence of frequent erections, resulting in a penis that is one to two cm shorter.

According to Kohler, men who struggle with physical erections can preserve a healthy penis by using a device called a vacuum pump, which causes the penis to inflate with blood.

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2 . Your Penis May Be a ‘Grower’ or a ‘Show-er’

The length of the flaccid penis when fully erect in males does not always correspond to its size.

Researchers discovered that length gains from flaccid to erect vary substantially, from less than a quarter-inch to 3.5 inches longer, in one study involving 80 males.

The relevance of these facts in the locker room is significant, regardless of their potential therapeutic use. It’s not realistic to think that a man with a large, limp penis will become much larger during an erection. Additionally, the person with the tiny-looking penis could obtain an unexpectedly large erection.

According to sex researcher Alfred Kinsey’s investigation of over a thousand measurements, shorter flaccid penises typically grow nearly twice as long as longer ones.

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It has become common knowledge that a penis that grows very little during an erection is called a “show-er,” and that penis that grows much is called a “grower.” There are no scientifically recognized thresholds for what constitutes a show-er or a grower, and these labels are not medical in nature.

According to Kinsey’s research, the majority of penises aren’t very showy or growers. Approximately 7% of penises doubled in length when erect, while 12% of penises acquired one-third or less of their entire length during an erection. Learn more about erectile dysfunction and treatments

3 . The Pleasure Zone

Many men believe that the areas of the penis that are most responsive to sexual pleasure are the underside of the shaft and the underside of the glans, or head.

Researchers measured the sexual sensitivity of 81 healthy males in many body regions, including the penis as well as the scrotum, anus, nipples, and neck.

For a significant majority of men, the underside of the glans and the shaft received the highest sensitivity rating. These were followed by the foreskin (for the minority of men who were not circumcised), the sides of the penis, the upper side of the shaft, and the upper side of the glans. The British Journal of Urology International published a report on the study’s findings in 2009.

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4 . Sensitivity Declines With Age

Research indicates that men’s penises gradually get less sensitive with age, however it’s difficult to pinpoint the precise amount. This is due to the fact that many studies have measured sensitivity and stimulated the penis in different ways.

Generally speaking, the least amount of stimulation a guy can tolerate is used to determine how sensitive his penis is. We refer to that as the “sensory threshold.”

When considered collectively, the findings exhibit a distinct pattern despite variations throughout investigations. Sensitivity begins to wane by age 25. Between the ages of 65 and 75, sensitivity declines most sharply.

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It’s less certain if males actually detect a decline in sensitivity with age.

According to Kohler, his patients seldom bring it up, even if they are aware of it.

He claims, “It is an extremely rare complaint.” “On the other hand, difficulty with erections and difficulty achieving ejaculation are much more common.”

5. Vibrators Work on the Penis Too

Men can use vibrators as well as ladies. They also do work on the penis. In reality, using a specialized medical vibrator, men with spinal cord injuries may frequently ejaculate due to the effectiveness of vibration therapy on the penis. The vibrator for this type of therapy is typically pressed up to the penis’s underside.

“Medical-grade vibrators aren’t necessarily more powerful,” adds Kohler. The nerve system’s components implicated in ejaculation are stimulated by the vibrators’ tuning. “They work at frequencies or amplitudes that are more specific to the [nerve] pathways.”

Most guys can get an orgasm without the use of a medical vibrator. According to Kohler, he advises patients to use a vibrating personal massager that can be purchased from the shop when they have delayed ejaculation, or difficulties attaining an orgasm.

While ejaculation issues are frequently resolved for men using vibrators, using one doesn’t need a medical condition of any type. You may just have fun with it.

6. There’s More to the Penis Than Meets the Eye

“Most guys would be proud to know that their penis is twice as long as they think it is,” Kohler asserts.

This is because your body contains half of the penis’ length. The root of your penis is curled up inside your pelvis and hooked to your pubic bone, but you can’t see it as you can’t see the entirety of a large oak tree above ground.

An erect penis has a boomerang-like form, as shown in an MRI image.

7. Your Penis Is a Habitat

There is a wide variety of germs living on the surface of your penis.

Researchers from the Translational Genomics Research Institute in Flagstaff, Arizona, Lance Price, PhD, and Cindy Liu, PhD, employed genetic testing to determine the type of bacteria present on men’s penises. According to their research, the skin of the penis was home to 42 different species of bacteria.

“We see that the human body is essentially an ecosystem,” Price explains.

However, the study revealed that the diversity and number of bacteria in circumcised and uncircumcised penises differs. Initially, samples from the penises of twelve males who intended to get their circumcisions were examined by the researchers. After the guys were circumcised, samples were obtained once more and examined.

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The men’s penises had fewer types of germs after circumcision. Numerous types of bacteria that were shown to be less prevalent or nonexistent following circumcision were anaerobic, meaning they do not require oxygen to develop.

Similar to the inside of an individual’s eyelids, the inner fold of the foreskin is a mucous membrane. According to Price, some anaerobic bacteria do well there but not on dry skin.

Price compares it to “clearing out a forest.” “You’re going to get a lot more sunlight, and you’re going to drastically change the environment.”

Every man in the study was a native of Uganda, where the research was conducted.

According to Liu, she would anticipate some variance in the types of bacteria that are discovered on males in different regions of the world. “I think there is certainly variety even among the Ugandan men themselves,” she adds.

However, the researchers are more interested in comprehending the alterations brought about by circumcision than they are in assessing the world’s penile microorganisms.

Their findings may provide light on the relationship between circumcision and a decreased risk of HIV infection. According to one idea, the anaerobic bacteria might cause the immune system to react in a way that increases the susceptibility of cells to HIV infection.

8. Most Men Aren’t Circumcised

Circumcision rates for boys 15 years of age and older range from 37% to 39% globally, per a 2016 survey published in Population Health Metrics.

According to the research, rates differ significantly based on nationality and religion. Together, Jewish and Muslim men make up almost 70% of all circumcised males worldwide, with nearly all of them having circumcised penises.

Circumcision may have health advantages, according to some study. Men who have had circumcision, for example, may have a lower risk of developing penile cancer or sexually transmitting infections to their female partners.

According to an American Academy of Pediatrics (AAP) policy statement from 2012, “The benefits of newborn male circumcision for health outweigh the risks, and families who choose to have this procedure done should have access to it because of its benefits.” UTI prevention, penile cancer prevention, and the avoidance of certain STDs, such as HIV, were among the specific advantages noted. Additionally, the American College of Obstetricians and Gynecologists has approved of this statement.

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In recent years, several studies have shown that circumcised men are less likely to be infected with HIV. The WHO and UNAIDS now recommend male circumcision as an HIV prevention measure. “There is compelling evidence that male circumcision reduces the risk of heterosexually acquired HIV infection in men by approximately 60%,” the WHO states.