> Additionally, the article does not mention the fact that there are some 'foods' that intrinsically produce formaldehyde as part of their metabolism, for insta

> Additionally, the article does not mention the fact that there are some 'foods' that intrinsically produce formaldehyde as part of their metabolism, for instance the artificial sweetener aspartame (as such it could be avoided). Or fruit. Pectin has methoxy groups, which are degraded to methanol, which is metabolized to formaldehyde.