Completely ban all GMOs, hormone injections and antibiotics, in all food products. Ban non-organic dairy, fruits, vegetables, oils, proteins, spices/herbs, grains. Ban all soda drinks and non-organic juices.
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Ban all harmful chemicals from all sweets, chocolates, pastries, cakes, and stop their advertising in daylight, only allow it at night. Fast food restaurants to be required to use whole organic foods products.
Increase taxes on tobacco and alcohol, and gradually ban it over time.
I believe that these measures will contribute to a healthier population with better lives, a better economy, and less burden on medical professionals and the healthcare system.