Scientists discover hidden fat-burning switch that could strengthen bones

Scientists at McGill University have discovered a molecular "switch" that activates a calorie-burning system in brown fat, which is linked to metabolism and weight control. The switch is triggered by glycerol, a molecule released when fat is broken down in the cold, and activates an enzyme called TNAP. This activation triggers an alternative heat-producing pathway that had previously been unclear to scientists. The discovery could potentially lead to new ways to strengthen bones and control weight.

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