Oncology & Cancer

Lack of oxygen in cancer cells leads to growth and metastasis

(Medical Xpress)—It seems as if a tumor deprived of oxygen would shrink. However, numerous studies have shown that tumor hypoxia, in which portions of the tumor have significantly low oxygen concentrations, is in fact linked ...

Cardiology

Medical myth: Flatlining patients can be shocked back to life

Beep….beep……….beep……….beeeeeeeeeeeeeeeeeeeeeeeeep. "We're losing him. Out of my way, nurse!" The quick-thinking young doctor charges the defibrillator paddles and places them on the chest of the lifeless patient, ...

Neuroscience

tPA: Clot buster and brain protector

(Medical Xpress)—Ever since its introduction in the 1990s, the "clot-busting" drug tPA has been considered a "double-edged sword" for people experiencing a stroke. It can help restore blood flow to the brain, but it also ...

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