Runner's World (UK) - - Nutrition -

Run­ning aids weight loss by burn­ing calo­ries but it may also help to reg­u­late ap­petite, shows a new study in the jour­nal Nu­tri­ents. Run­ners per­formed a 20km run or rested for an equiv­a­lent time. Thirty min­utes later, both groups were given free ac­cess to a buf­fet. Calo­rie in­take among the postrun group was sig­nif­i­cantly lower than in those who had not ex­er­cised. Blood-sam­ple re­sults re­veal why: lev­els of grehlin, a hor­mone that stim­u­lates ap­petite, were lower af­ter the run, tak­ing the edge of hunger.

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