The role of food in maintaining our individual and public health is gathering attention right now. In the US it has been identified that only 12% of population is metabolically healthy https://www.liebertpub.com/doi/10.1089/met.2018.0105 and that good health outcomes emanate from good food.
Monash Uni is offering a free course on Food as Medicine - food systems with traceability are responding too.
https://www.futurelearn.com/courses/food-as-medicine