Vegan-why-header 1. Vegans can eliminate their chances of getting chronic diseases, even they’re genetically pre-disposed to developing one. In 2008, 63% of deaths globally were due to non-communicable chronic diseases. Such as, heart disease, Type 2 diabetes, obesity and certain cancers, according to the World Health Organization. Studies have continually shown that plant based diets decrease risks for these diseases, monumentally. Plant based diets are rich in antioxidants. Antioxidants soak up free radicals which can lead to chronic inflammation. Vegan diets also stop the formation of blood vessels that feed cancerous tumors.