The experts on gas, bloating, colon cancer and other digestive issues share what they avoid themselves.

We all have our indulgences: A big bowl of chocolate ice cream after a long, stressful day.

That can of Coke with a few slices of pizza on a Friday night.

Peanut butter and jelly sandwich with a bite taken out, on a peanut butter-covered surface

A burger and fries at that new restaurant everyones been raving about.

The saying everything in moderation exists for a reason.

Here are six of them.

Worker in protective gear oversees chocolate chip bar production line

Protein bars

Protein bars are healthy, right?

In particular, super-processed protein bars can lead to bloating and gas.

I never eat protein bars.

Two large raw tomahawk steaks on a grill pan

They tend to be highly processed and contain lots of additives that are of unknown utility, she said.

Steak

Sorry, red meat lovers: GI docs are not fans.

I avoid red meat, especially steaks and burgers, said Dr.Reezwana Chowdhury, a gastroenterologist at Johns Hopkins.

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Red meat and processed meat increase the risk of colon cancer and colon polyps.

Red and processed meats have a higher risk of colorectal cancer, she said.

Long term, this buildup can lead to consequences like heart attack and stroke.

Plate of fried chicken on a wooden surface with another plate in the background

Just go easy on them and maybe add sauerkraut for some gut-boosting benefits.This post originally appeared onHuffPost.

Assorted Coca-Cola and Fanta soda bottles on a shelf in a store

A loaf of Hovis Soft White bread with some slices out and one buttered, next to a knife