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Note on Genes-physiology

Eating breakfast primes the liver

The benefits that eating breakfast has on weight control are often touted, but are not well supported by current data. What is supported is the benefit that breakfast eating has on post-lunch glucose and insulin levels. This well-done physiologic study released today in Diabetes carefully measured lunchtime and afternoon liver metabolic activity in dogs following morning feedings of either glucose or saline. Dogs receiving a morning ‘breakfast’ had greatly increased glucose uptake by the liver at lunchtime and later in the afternoon, accompanied by increased glucose storage in the liver as glycogen. This evidence of liver priming by early morning calorie intake tells us that breakfast eating should be recommended to everyone with diabetes. Breakfast doesn’t necessarily need to be eaten before leaving home in the morning, just sometime before 10:00 am.

See abstract here.

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