Cancers like it cool

At least in mice, cancerous tumors grew more slowly when the body was comfortably warm

By Janet Raloff, 09:35 AM November 26, 2013

Research labs usually house their mice at temperatures between 20° and 26° Celsius (that’s 68° to 79° Fahrenheit). Mice find this a tad cool. To cope, their bodies will generate a little extra internal heat. Now scientists find a troubling down side to keeping the thermostat low: It boosts cancer growth.

Elizabeth Repasky and her colleagues at the Roswell Park Cancer Institute in Buffalo, N.Y., raised animals at about 22.5 °C (72.5 °F). They kept others in a room that was roughly 30.5 °C (87 °...

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