Science Daily — Researchers have discovered a pivotal new player in early events that commit fat cell precursors to becoming full-blown fat, according to a report in the February issue of the journal Cell Metabolism, published by Cell Press. Drugs that block some activities of the enzyme, known as xanthine oxidoreductase (XOR), might therefore offer a novel antiobesity therapy designed to fight fat before it even forms, the researchers said.>>> Discuss This Story