Erectile dysfunction, which typically focus on a man’s inability to have sex, has a more devastating issue that could be behind having difficulty maintaining an erection – heart disease, researchers say.

Research has connected erectile dysfunction with heart disease in men between the ages of 30 to 60 for years, but it is still not commonly known among the public.

“You hear about men who pass away from heart disease and their wives find Viagra [in their belongings] and they didn’t even know they had a problem,” the Huffington Post quoted Dr. Kevin Billups from Johns Hopkins Hospital’s Integrative Men’s Health Program as saying.

According to doctors, for many men experiencing erectile dysfunction is the first signal of risk factors which, if unchecked, can lead to heart disease.

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Young men who take erectile dysfunction drugs for fun may be putting their sex lives into risk, a new study has suggested.

Nearly 6 percent of the sexually active college men involved in the study reported taking drugs for erectile dysfunction (ED) without a prescription. Yet an analysis of these students’ sex lives unveiled a paradox: The more ED drugs men took, the worse they felt.

“Using ED drugs recreationally has the potential to negatively influence one’s confidence,” said Christopher Harte, lead author of the study.

Men who abused ED drugs reported the same level of physical sexual functioning as non-users did, but Harte found that they were less confident about their abilities to get and maintain an erection. The recreational users also were less satisfied with their sex lives overall, even if they were satisfied during intercourse.

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The plight of the typical young man isn’t the inability to have sex; it’s usually the inability to find someone to have sex with.

Fact is, though, if you think you don’t have to worry about erectile dysfunction (ED) until your hair starts to turn grey, think again. Even in your early 20s, chances are your arteries are already undergoing changes that may culminate years from now in ED.

Fundamentally, erection depends on blood flow into the penis. The more blood, the more reliable and firm your erection. But when arteries become narrowed by cholesterol-rich atherosclerotic plaque deposits, less blood flows into the penis and erections wilt. This becomes apparent by the time a man hits 50.

Harvard researchers tracked 31,742 middle-aged men for 14 years and found that ED is strongly linked to lifestyle factors that spur the growth of atherosclerotic plaques: smoking, obesity, heavy drinking and lack of exercise.

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A change in the sexual function is one of the most common health problems as people age. Having diabetes can mean early onset and increased severity of these problems. Sexual and urologic complications of diabetes occur because of the damage diabetes can cause to blood vessels and nerves. Men may have difficulty with erections or ejaculation. Women may have problems with sexual response and vaginal lubrication. Urinary tract infections and bladder problems occur more often in people with diabetes. People who keep their diabetes under control can lower their risk of the early onset of these sexual and urologic problems.

Both men and women with diabetes can develop sexual problems because of damage to nerves and small blood vessels. Nerve signals control internal organs like the heart and bladder, but people do not have the same kind of conscious control over them as they do over their arms and legs. The nerves that control internal organs are called autonomic nerves, which signal the body to digest food and circulate blood without a person having to think about it. The body’s response to sexual stimuli is also involuntary, governed by autonomic nerve signals that increase blood flow to the genitals and cause smooth muscle tissue to relax. Damage to these autonomic nerves can hinder normal function. Reduced blood flow resulting from damage to blood vessels can also contribute to sexual dysfunction.

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