Medical research

Testosterone gel fails to boost Viagra's effects

(HealthDay)—Men who have erectile dysfunction and low testosterone may get no extra benefit from adding the hormone to their Viagra prescription, a new study suggests.

Immunology

Choice of psoriasis treatment affects CVD event rates

(HealthDay)—Compared with other anti-psoriatic therapies, systemic anti-inflammatory treatment of patients with severe psoriasis with biologic agents or methotrexate is associated with a lower combined risk of death, myocardial ...

Genetics

Gene deletion drives more than a quarter of breast cancers

A new study shows that the lack of a certain gene occurs in almost 28 percent of human breast cancers, playing a role in some 60,000 breast cancer cases in the United States and 383,000 worldwide this year.

Psychology & Psychiatry

More delays in brain growth seen with ADHD

(HealthDay) -- Researchers have uncovered more evidence that certain types of delays in brain development seem to be related to a heightened risk for attention-deficit hyperactivity disorder (ADHD).

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