“An apple a day keeps the doctor away” may sound old-fashioned, but it holds scientific truth. Dr Sethi highlights apples for their rich pectin content, a type of soluble fiber that acts as food for gut bacteria. When fermented in the colon, pectin produces short-chain fatty acids (SCFAs) such as butyrate, which are known to protect colon cells from becoming cancerous.
A study in Frontiers noted that regular apple consumption could lead to a healthier gut environment, reducing harmful bacteria while boosting beneficial ones. The peel, in particular, contains quercetin, a powerful antioxidant that helps prevent DNA damage in cells.
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