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. 2019 Aug 28;6:132. doi: 10.3389/fnut.2019.00132

Figure 2.

Figure 2

Endogenous rhythms and environmental cues: the central pacemaker in the brain is entrained by the light/dark cycle. Shift work, irregular meals, and social jetlag are behaviors which cause misalignment between the environmental and social clocks. Phase mismatch between the clocks increases the risk for metabolic dysfunction.