Dutch researchers report that using plant-derived margarines once a day at lunch seems to drive down bad-cholesterol levels as effectively as consuming them three times a day.

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SURVIVORS An experimental bone-marrow transplant may help treat kidney cancer, a disease so virulent that once it spreads, it kills half its victims within a year. Stem cells–the primordial cells that give rise to new cell lines–are collected from bone marrow. Once transplanted, they generate a…