Why men wake up with erections

TheConversation: The morning penile erection, or as it is medically known, “nocturnal penile tumescence”, is not only an interesting physiological phenomenon, it can also tell us a lot about a patient’s sexual function. Morning penile erections affect all males, even males in the womb and male children. It also has a female counterpart in the less frequently discussed nocturnal clitoral erection.

Caffeine intake associated with reduced levels of erectile dysfunction

Houston: Men who drink the equivalent caffeine level of two to three cups of coffee a day are less likely to have erectile dysfunction (ED), according to researchers from The University of Texas Health Science Center at Houston (UTHealth). The results of a study published recently in PLOS ONE found that men who consumed between 85 and 170 milligrams of caffeine a day were 42 percent less likely to report ED, while those who drank between 171 and 303 milligrams of caffeine a day were 39 percent less likely to report ED compared to those who drank zero to seven milligrams a day. This trend was also true among overweight, obese and hypertensive men.

Erectile dysfunction: Is Viagra enough?

Manchester: Restoring impotence using drugs such as Viagra still leaves older sufferers dissatisfied with their sex lives, according to research by Age UK fellow Dr David Lee. Viagra and other related drugs are not a universal ‘cure-all’ for impotence, according to a new study from The University of Manchester and NatCen Social Research. Drugs, clinically known as oral phosphodiesterase type 5 inhibitors (PDE5i), have become the first-line medical treatment option for sufferers of erectile dysfunction (ED) – also known as impotence - since entering the UK market in 1998.

Erectile dysfunction may be first sign of heart disease

Baylor College. US: Men with erectile dysfunction may also have an increased risk for developing heart disease, said an expert at Baylor College of Medicine in Houston.