In a paper published in JAMA Internal Medicine in 2016, researchers suggested that in the 1960s, the sugar industry paid scientists to obscure the relationship between sugar and heart disease, derailing the course of nutrition science and policy for years to come.
https://www.theverge.com/2018/2/23/17039780/sugar-industry-conspiracy-heart-disease-research-mark-hegsted-harvard
https://www.theverge.com/2018/2/23/17039780/sugar-industry-conspiracy-heart-disease-research-mark-hegsted-harvard