Allergies – causes? Deb Headworth 18 years ago Why do people get allergies? low immune system. See detox. candida. They can eat microscopic holes in the intesinal wall and cause foods to ‘leak’ into the bloodstream… more food allergy causes… Many find relief from allergies without bad side effects…. more Share this: Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest Email a link to a friend (Opens in new window) Email