Health and Nutrition Tips That Are Actually Evidence-Based Today It’s easy to get confused when it comes to health and nutrition. Even qualified experts often seem to hold opposing opinions, which can make it difficult to figure out what you should actually be doing to optimize your health. Yet, despite all the disagreements, a number of wellness tips are well supported by research. Here are 28 health and nutrition tips that are based on scientific evidence. Share on Pinterest 1. Limit sugary drinks Sugary drinks like sodas, fruit juices, and sweetened teas are the primary source of added sugar in the American diet ( 1 Trusted Source ). Unfortunately, findings from several studies point to sugar-sweetened beverages increasing risk of heart disease and type 2 diabetes, even in people who are not carrying excess body fat ( 2 Trusted Source ). Sugar-sweetened beverages are also uniquely harmful for children, as they can contribute not only to obesity in children but also to conditio...