Why do Jain laypeople avoid foods such as meat, wine, honey, and certain root vegetables?

In Jainism, the avoidance of meat, wine, honey, and certain root vegetables is rooted in the fundamental ethical principle of nonviolence (ahimsa).12

For Jains, ahimsa is the standard by which all actions are judged, as causing harm to any living soul (jiva) results in the accumulation of karma—a substance that keeps the soul mired in the cycle of rebirth (samsara). Because the Jain tradition emphasizes the sanctity of all life, including insects, plants, and microbes, laypeople are enjoined to follow a diet that excludes items deemed to harbor life-forms or cause unnecessary injury.34

Specifically, root vegetables are avoided because harvesting them involves destroying the entire plant and the microorganisms living within the soil, while honey and wine are excluded due to the harm caused to bees and the fermentation process, respectively. By practicing strict vegetarianism and careful dietary control, Jain laypeople seek to ward off new karma and pursue spiritual discipline, reflecting the tradition's commitment to minimizing harm to all living creatures.43