How digestion works: what happens to food after you eat it
Fat cells: what insulin tells them after a meal
Adults keep about the same number of fat cells for life. Scientists dated these cells with traces of the nuclear bomb tests of the 1950s and 1960s. So when your body stores fat, what changes?
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The fat of your lunch takes a side road. In the gut wall, its pieces are packed into tiny parcels. These go into a second set of vessels, the lymph vessels, which empty into your blood near your heart. So fat does not pass through the liver first, as sugar does.
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The blood carries the parcels to your fat tissue. It is made of fat cells, and each one is almost filled by a single drop of fat.
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