Pine processionary development, pine processionary caterpillars are highly irritating to the skin. Contact with the hairs of the caterpillar can cause severe rashes (urticaria) and eye irritation. Some individuals may have an allergic reaction to the caterpillar's hairs. 5th stage larvae can eject hairs when threatened or stressed; the hairs, which have the form of harpoons, then penetrate and irritate all areas of exposed skin nearby with an urticating protein. Allergic reactions may follow in susceptible individuals on subsequent exposure to the hairs. The pine processionary is an economic pest in coniferous forests in southern Europe. It is controlled to some extent
What the Health he interviews physicians and other individuals regarding diet and health. Andersen is also shown attempting to contact representatives of various health organizations, but comes away dissatisfied with their responses. Through other interviews he examines the alleged connection between the meat, dairy, and pharmaceutical industries, as well as various health organizations. The synopsis is that serious health problems are a consequence of consuming meat and dairy products, and that a conspiracy exists to cover this up. "What the Health" was written, produced, and directed by Kip Andersen and Keegan Kuhn, the production team for the documentary "Cowspiracy". "What the Health" was