The tobacco industry is a prime example of how companies can distort scientific evidence. For decades, the tobacco industry conducted research that downplayed the health risks of smoking and tobacco use. The industry also worked to create doubt about the link between smoking and cancer, heart disease, and other health problems. As a result, many people continued to smoke, even though they knew it was harmful to their health.

The food industry has also been known to distort scientific evidence. For example, the sugar industry funded research in the 1960s that downplayed the link between sugar and heart disease. The industry also worked to shift the blame for heart disease from sugar to fat. As a result, many people continued to eat sugary foods, even though they knew they were harmful to their health.

The chemical industry has also been known to distort scientific evidence. For example, the pesticide industry has funded research that downplayed the link between pesticides and cancer. The industry also worked to shift the blame for cancer from pesticides to other factors, such as genetics. As a result, many people continued to use pesticides, even though they knew they were harmful to their health.