Oncology & Cancer

Cancer cells shown to co-opt DNA 'repair crew'

In experiments with human colon cancer cells and mice, a team led by scientists at the Johns Hopkins Kimmel Cancer Center say they have evidence that cancer arises when a normal part of cells' machinery generally used to ...

Oncology & Cancer

Why high-dose vitamin C kills cancer cells

Vitamin C has a patchy history as a cancer therapy, but researchers at the University of Iowa believe that is because it has often been used in a way that guarantees failure.

Ophthalmology

Don't take short cuts with contact lens care, FDA warns

(HealthDay)—If you use contact lens solution with hydrogen peroxide and don't follow the instructions carefully, you could be putting your eyes at risk, the U.S. Food and Drug Administration warns.

Immunology

DNA as a weapon of immune defense

Our innate immune system, made up mainly of phagocytes, protects our body by exterminating bacteria. To do this, it uses two mechanisms. The first kills foreign bodies within the phagocyte itself. The second kills them outside ...

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