Returning to Meat After a Long Break: Is Your Body Unable to Digest It?”

Islamabad:Many people complain of unpleasant effects when they start eating meat again after a long break. Could this be because your body forgets how to digest meat?

According to a report by BBC, reducing meat consumption is one of the easiest ways to decrease your carbon footprint. Researchers have estimated that if everyone in the UK switched to a low-meat diet, eating less than 50 grams of meat a day or just consuming one Cumberland sausage, it would save as much carbon as 8 million cars parked properly.

Data from the British government reveals that meat consumption has been declining. Between 1980 and 2022, consumption of beef and lamb decreased by 62%. While there could be various reasons for this decline, including environmental responsibility and rising costs, it is clear that more people are choosing to reduce or eliminate meat from their diets.

However, if someone refrains from eating meat for a long period and then resumes, does their body lose the ability to digest it?

Professor Sander Christian, a nutrition expert at Cornell University, states that there hasn’t been much research on whether eating meat after a long break can lead to digestive issues. He explained that the lack of evidence doesn’t necessarily mean the issue doesn’t exist, but simply that it hasn’t been studied extensively. He further added that while the situation may not always be ideal, it is something people occasionally have to deal with.

Meat allergies are rare, but they can occur. Alpha-gal syndrome, where the immune system mistakenly identifies animal proteins as harmful invaders, can cause anaphylaxis and even death. However, this allergy, which typically develops after a lifetime of consuming meat, is not related to switching to a low-meat diet.

Professor Christian pointed out that the idea that not eating meat for an extended period could make your body incapable of digesting it is not as feasible as it seems. Unlike fiber found in fruits, vegetables, and legumes, meat is generally much easier to digest. The body relies on its microbiome, which contains bacteria necessary to produce the enzymes that help break down meat.

Additionally, the enzymes used to digest plant proteins are the same ones used for meat proteins. These enzymes recognize and break specific chemical bonds in proteins, regardless of whether they come from plants or animals. Proteins, whether plant-based or animal-based, are made up of building blocks called amino acids, and these enzymes can typically break them down, no matter the source.

This process is different from the digestion of lactose, the sugar found in animal milk. To digest lactose, the body needs a specific enzyme called lactase. People who don’t produce enough lactase can develop lactose intolerance.

The human gut microbiome depends on what its host consumes. Sometimes, this means that the types of bacteria present in the gut change, or sometimes the bacteria produce different enzymes. Studies have shown that although there are differences between the microbiomes of vegetarians and non-vegetarians, they are not fundamentally different as long as a variety of plants is consumed.

Dietary changes can cause microbiomes to change rapidly. However, a study that had participants adopt a fully animal-based diet found that changes in the microbiome appeared within just one day (and quickly returned to baseline after the diet ended).

In conclusion, there’s no need to worry that your body loses the ability to digest meat. Professor Christian asserts that if you’re among those who experience digestive issues after eating meat again, it’s not due to a lack of enzymes. The body has a remarkable ability to adapt to new dietary situations.