Argue in favor of the fat substitute you must research the scientific and medical arguments on your side. You should also research what the arguments will be on the other side, so that you are prepared to argue against their points. Fat Substitute Fat Substitute ? Argue in favor of the fat substitute you must research the scientific and medical arguments on your side. You should also research what the arguments will be on the other side, so that you are prepared to argue against their points. Start you debate prep by finding information through an Internet search: Go to https://www.discovermagazine.com Once you are on the site, type in ?fat chemistry? in the search box and click ?search? look for the article, ?The Chemistry of fat substitutes? and use it for information for your debate.