Medical research

Researchers uncover biochemical events needed to maintain erection

For two decades, scientists have known the biochemical factors that trigger penile erection, but not what's needed to maintain one. Now an article by Johns Hopkins researchers, scheduled to be published this week by the Proceedings ...

Oncology & Cancer

Heart drug may be effective for managing certain cancers: study

Researchers at Queen's University have identified a new mechanism that could potentially explain why the body's immune system sometimes fails to eliminate cancer. The new findings shed light on the possible cause of immune ...

Medical research

'Moonlighting' enzyme unravels arginine paradox

(Medical Xpress) -- Nearly 20 years ago, the journal Science tagged nitric oxide as the "molecule of the year." Since that time, researchers have tried to study and target this simple molecule that is involved in virtually ...

Medical research

Reversing smoke-induced damage and disease in the lung

By studying mice exposed to tobacco smoke for a period of months, researchers have new insight into how emphysema and chronic obstructive pulmonary disease (COPD) develops. In the October 14th issue of Cell they also report ...

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