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My Mighty Mouse
Personal drug regimens based on xenograft mice harboring a single patient’s tumor still need to prove their true utility in medicine.

Featured Articles:

From Many, One
Diverse mammals, including humans, have been found to carry distinct genomes in their cells. What does such genetic chimerism mean for health and disease?

Resisting Cancer
If one out of three people develops cancer, that means two others don’t. Understanding why could lead to insights relevant to prevention and treatment.