Erectile disorder: How science is moving beyond viagra

Erectile disorder (ED) refers to a persistent difficulty achieving or maintaining an erection sufficient for satisfying sexual activity. It affects millions of men worldwide, including up to one in four in the United States. Beyond physical functioning, erectile difficulties can impact sexual confidence, self-esteem, relationship satisfaction and quality of life.

Although prevalence increases with age, age alone does not explain ED. Medical conditions such as diabetes, cardiovascular disease and the after-effects of surgery (prostate surgery particularly) can disrupt erectile functioning.

Psychological contributors are also common. Performance anxiety, stress and relational concerns frequently cause ED or interact with biological factors, making ED a complex condition, not a single, isolated problem.

Treatment for erectile dysfunction

Currently, most treatment approaches include medication, sex therapy or a combination of both. Phosphodiesterase type 5 inhibitors, such as Viagra and Cialis, are widely prescribed and increase blood flow to the penis in response to sexual stimulation.

Their on-demand dosing and ease of oral use make them appealing. However, they are not appropriate for everyone. Certain medical conditions, side-effects, concerns about reduced spontaneity, lack of efficacy or cost can limit their usefulness.

Sex therapy offers another well-established treatment option. It can help individuals and couples........

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