A Big Mac from McDonald’s contains a lot of fat, but eating one every once in a while isn’t likely to lead to weight gain. If you eat Big Macs on a regular basis, however, the fat and calories they contain might contribute to unhealthy weight gain.

What happens to your body after eating a Big Mac?

A regular Big Mac contains 540 calories and raises your blood sugar levels to abnormally large heights. Junk food triggers your brain’s reward system by releasing much more ‘feel good’ chemicals. Such as the neurotransmitter dopamine, which ignites feelings of pleasure.

Is it bad to eat a Big Mac everyday?

Eating McDonald’s every day will make you susceptible to diabetes and insulin resistance. A Quarter Pounder with Cheese Bacon has 14 grams of saturated fat, and 1.5 grams of trans fat. The Big Mac has a 10 grams of saturated fat and 1 gram of trans fat. Clearly, not great.