Consuming fructose, a sugar that's common in the Western diet, alters hundreds of genes that may be linked to many diseases, scientists report. However, they discovered good news as well: an important omega-3 fatty acid known as DHA seems to reverse the... moreConsuming fructose, a sugar that's common in the Western diet, alters hundreds of genes that may be linked to many diseases, scientists report. However, they discovered good news as well: an important omega-3 fatty acid known as DHA seems to reverse the harmful changes produced by fructose.