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Taking Viagra Won’t Spur Risky Sexual Behavior

January 13, 2010

WEDNESDAY, Jan. 13 (HealthDay News) — Men worried that taking Viagra will lead to sexually risky behavior can relax: A new study suggests that drugs for erectile dysfunction don’t make men more likely to engage in potentially unhealthy sex.

“For this study we took the perspective of a doctor who may worry that prescribing erectile-dysfunction drugs to patients could contribute to the spread of HIV. The findings from this study should provide some reassurance to health-care providers that erectile-dysfunction drugs appear to be prescribed responsibly and used responsibly,” Dr. Robert Cook, an associate professor at the University of Florida and lead researcher of the new study, said in a news release. Read More

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Viagra Helpful for Children With Heart Defect

November 17, 2009

TUESDAY, Nov. 17 (HealthDay News) — The erectile dysfunction drug sildenafil, commonly known as Viagra, boosts the heart’s pumping ability in children and young adults who’ve had the Fontan operation to correct single-ventricle heart defects, researchers report.

In the Fontan operation, doctors direct venous blood directly to the pulmonary arteries, bypassing the heart. The procedure is the third surgery in staged reconstruction for children with single-ventricle defects, explained the researchers from the Children’s Hospital of Philadelphia in a news release from the American Heart Association. Read More

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Viagra Trial for Sickle Cell Lung Problems Halted

July 29, 2009

TUESDAY, July 28 (HealthDay News) — The first clinical trial of a treatment for pulmonary hypertension in adults with sickle cell anemia has been stopped because of severe side effects in some participants.

The trial involved sildenafil — marketed as Viagra when it is used to treat erectile dysfunction and Revatio when used for pulmonary arterial hypertension, or high blood pressure in the lungs. Read More

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Impotence Drugs Don’t Harm Vision: Study

April 14, 2009

TUESDAY, April 14 (HealthDay News) — The erectile dysfunction drugs Cialis (tadalafil) and Viagra (sildenafil) didn’t appear to damage vision in men who took the medications daily for six months, according to a drug company study.

These drugs, called selective phodiesterase type 5 (PDE5) inhibitors, treat erectile dysfunction by interfering with the action of the compound PDE5 in the blood vessels of the penis. But there are concerns that PDE5 inhibitors may also act on similar compounds in the retina, the part of the eye that receives and transmits images to the brain, according to background information in the study. Read More

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Viagra May Shield Heart From Blood Pressure Damage

January 5, 2009

MONDAY, Jan. 5 (HealthDay News) — Tests in mouse hearts show that sildenafil, the key ingredient in Viagra, may shield hearts from damage caused by high blood pressure, a new study suggests.

Investigators said that sildenafil appears to influence RGS2, a single protein essential in the reactions that initially protect the heart’s blood-pumping function from spiraling into heart failure. The findings, published online Monday in The Journal of Clinical Investigation, suggest that sildenafil may prove useful in the treatment or prevention of heart damage due to chronic high blood pressure. Read More

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Viagra: The Little Blue Pill May Improve Sex for Women on Antidepressants

July 22, 2008

TUESDAY, July 22, 2008 — Viagra is used by millions of aging men for erectile dysfunction, but most research suggests it doesn’t do much for women’s sex lives.

However, a new study suggests that the “little blue pill” could benefit some women. The small, Pfizer-funded trial found that it improved orgasm in premenopausal women who had sexual difficulties due to antidepressant use. Read More

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