From a medical perspective, your semen packs a pretty incredible punch. Within the 2 to 5ml of semen (AKA your ejaculate) that you yield every time you ejaculate, there contains around 20 million spermatozoa (your moving sperm), each roughly 50 millionths of a metre long. If you can’t picture this, just think back to your childhood when you stared at the tadpoles in your garden pond. That’s about the gist of it – except much, much smaller. Of course, your spermatozoa are not alone in your semen, having for company complex enzymes and fructose sugars that help your swimmers, well, swim and survive for longer.
Getting hard is also an overwhelmingly mental task. "Yes, men are saddled with the scheduled 'morning boner' and may experience an occasional random erection but by and large an erection needs to be achieved through mental stimulation," says Backe. "If you aren't turned on, your body isn't going to send more blood to the penis — bottom line. So, ultimately, you need a clean and clear mind for healthy and clear erections. Keeping the mind healthy will allow proper mental stimulation to occur at the right time."
Stiffy Solution: Obviously, no one should ever go off a prescribed med without consulting with a doctor. But there are erection-friendly alternatives to nearly every daisy-wilting medicine listed above. And your dude shouldn't let embarrassment keep him from talking to his GP about this — doctors are well aware that erectile difficulties are a possible side effect for all of these medicines; they just don't know which patients will experience what side effects, so they're waiting for you, the patient, to bring it up.
If you think you have erectile dysfunction, or ED, you’re bound to have questions for your doctor about what’s happening and how to fix it. Lots of men have been there. Don’t be afraid to talk to your doctor and ask him any and all questions you might have that can start you on the road to getting a solution. Here are the first six questions you should definitely ask:

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About 5 percent of men that are 40 years old have complete erectile dysfunction, and that number increases to about 15 percent of men at age 70. Mild and moderate erectile dysfunction affects approximately 10 percent of men per decade of life (i.e., 50 percent of men in their 50s, 60 percent of men in their 60s). Erectile dysfunction can occur at any age, but it is more common in men that are older. Older men are more likely to have health conditions that require medication, which can interfere with erectile function. Additionally, as men age, they may need more stimulation to get an erection and more time between erections.
Defined as "the inability to get or keep an erection firm enough for sexual intercourse," ED affects nearly 30 million men in the United States (though a 2007 study put the figure at 18 million), according to data from the National Institutes of Health. Doctors have anecdotally reported an increasing number of young male patients; in a recent Vanity Fair piece on hookup culture, writer Nancy Jo Sales spoke with women who noted that many of their Tinder hookups struggle with the condition.

“Although having sex at 70 is not the same as having sex at 20, erectile dysfunction is not a normal part of aging,” according to Michael Feloney, MD, urologic surgeon and expert on sexual dysfunction issues at the Nebraska Medical Center in Omaha. “You should still be able to have a satisfying sex life as you age." If you are experiencing erectile dysfunction, these 10 dos and don'ts may help.


A very stressful or intense situation, or performance anxiety, could definitely make a man lose his erection. The pressure to perform could be psychologically too intense to keep a strong one. Another, lesser talked about erection killer is difficulty penetrating a partner during sex. It’s related to performance anxiety and stress, but also fatigue. If sex becomes tiring, fatigue will bring a quick end to an otherwise great night.
Erectile dysfunction, often referred to as ED, is characterized by a persistent and recurring inability to achieve or maintain an erection sufficient for sexual intercourse. Psychological, physical and lifestyle issues can all cause ED, as can trauma to nerves and arteries. The incidence of erectile dysfunction increases with age, but young men can also experience it.

"When it's persistent and consistent, it's extremely likely to have biological factors" regardless of age, Dr. Irwin Goldstein, director of sexual medicine at Alvarado Hospital in San Diego and the director of San Diego Sexual Medicine, told Mic. But the cause of ED can also be psychological: For instance, if a man can get an erection on his own but not with a partner, then his ED is more likely to be rooted in performance anxiety or a deeper psychological issue. 

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Use penile injection therapy. An alternative method that you may be advised on by a doctor is penile injection therapy. For this you will be trained by the doctor how to inject your penis with medicine that relaxes the blood vessels and promotes the blood flow that causes an erection. This treatment has been shown to be effective at treating a range of issues both physical and psychological.
The "Am I Normal?" study examined more than 15,000 men in the UK. The average erect penis was 5.16 inches (13.1cm), while the average flaccid penis was 3.61 inches (9.2cm). But maybe take this with a pinch of salt – the "study limitations" section of the research paper states “relatively few erect measurements were made in a clinical setting and the greatest variability between studies were seen in the flaccid stretched length”. Yes, how hard is too hard to yank for a study?
Francis,*, 42, had ED for 11 years before he decided to seek treatment a few years ago. At first, he didn't even realize that he might have ED. "I thought I was either depressed or that I had lost interest in my girlfriend at the time," he said. But when the problem persisted, he realized it was preventing him from having sex with his partner, who often taunted him for struggling to maintain an erection.
"It definitely was a blow to my masculinity," Francis told Mic. "It didn't help that my wife at the time would say that I must be gay if I couldn't keep it up for her." Compounding the issue, if an erection doesn't happen during a given sexual encounter, the man can obsess over it, inevitably creating pressure and making it difficult for him to become fully aroused during future encounters. 
"Some physical problems that can lead to weak erections are the inability of your brain to send signals to your penis, which can be caused by neurological conditions like MS, Parkinson's disease and Alzheimer's," adds Axe. "Studies suggest that stress, anxiety and depression can produce major chemical changes in your brain, leading to the inability of smooth muscles to relax and allow for an erection. On top of this, researchers have also indicated that the failure to achieve an erection can aggravate a man's anxiety levels, leading to a vicious cycle."

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There is no evidence that mild or even moderate alcohol consumption is bad for erectile function, says Ira Sharlip, MD, a urology professor at the University of California San Francisco School of Medicine. But chronic heavy drinking can cause liver damage, nerve damage, and other conditions -- such as interfering with the normal balance of male sex hormone levels -- that can lead to ED.

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Remember those cultural messages we discussed earlier, about how men are wild sex aliens from the planet Weenus? Well, men are raised hearing those messages, too, and they can end up screwing with their sexual self-image —for instance, they can lead men to obsess over their own virility, and panic about impressing a new partner, until they've thought their boner into a corner and can't get an erection. Performance anxiety is one of the most common culprits behind lost erections, especially among younger, less experienced men.

How can I improve my erectile dysfunction?

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