a top adviser to the organic consumer's association kricriti findings because the author's "very qualifiedions do not match the data." organic food does lower exposure to pesticides and resistance to antibiotics. >> when it comes to organic, when it comes to food in general, we're making an investment in our body. every bite we take is either an investment or a debt we're taking on that we're going to have to repay some day. i believe organic is an excellent investment in our health. >> reporter: many consumers say the extra cost is worth it. for reasons that go beyond health. >> they last longer in your fridge, they just taste differently. >> you know, it may not give the added health benefits, but you're helping the smaller markets. >> reporter: researchers acknowledge that no study looking at the health benefits of organic food has exceeded two years. too short a period to engage the impact they could make over a lifetime. >> that was diana alviar reporting. the same study found organic milk and chicken have higher levels of omega 3 fatty acids which promote better health. >>> kids who