Experts Say These Foodsbr Will Slow Aging After 50 .br As we get older, the foods we put into br our bodies become more and more important. .br Although we can't stop the aging process,br experts say eating these six foods can helpbr slow aging after 50 years old. .br 1. Avocado.br 2. Fatty Fish.br 3. Blueberries.br 4. Leafy Greens.br 5. Nuts & Seeds.br 6.