“Fat is the slowest digested macronutrient,” saysAllison Gregg, RDN, LDN.

“Foods with a high-fat content slow stomach emptying.

To learn which items can do the most serious damage, check out10 Worst Menu Items at McDonald’s.

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“The body converts sugar into glucose within minutes after consuming.

This can raise blood pressure and heart rate.”

After a couple of hours, you will then feel a slump and need to eat again.

mcdonalds egg mcmuffin and hash brown on tray

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That is how milkshakes, specifically the processed sugar, affect your feelings about food.”

Unfortunately, the greasier McDonald’s foods easily lead to this immediate effect.

“This inflammation leads tofatigueand brain fog that can derail the consumer’s day completely.

Mcdonalds burger fries and soda

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Here are14 Tips to Reduce Inflammation to Lose Weight Faster, According to RDs.

The extra fat that burgers and fries pack in can lead to this very effect.

Chemical dependency

One of the most insidious effects after you eat McDonald’s takes place in yourbrain.

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mcdonalds chicken sandwich with fries and drink

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mcdonalds tray

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