Two genes daf-2 and dag-16 affect lifespan by pulling the strings on a wide variety of subrodinate genes that in turn interact with our hormones in particular insulin.
Insulin is active at a deep level of cell activity and is likely to be the master hormone of ageing.
To date the only proven means of slowing our ageing process is calorie restriction which works by lowering body temperature and insulin levels and raising levels of the DHEA hormone. Unfortunately it means permanently cutting your caloric intake by at least 30% and if you’re overweight considerably more.
Resveratrol a substance found in grapes red wine and nuts mimics the biological response to calorie restriction.
Finding a way to slow ageing and you’ll also find a way to slow the occurances of most forms of cancer heart failure inflammatory conditions such as rheumatoid arthritis and bowel disease. Reducing these would lead to a much higher quality of life in old age.
An insulin-friendly diets is foods low on the glycaemic index: no sugary simple carbohydrates such as cakes biscuits potatoes rice pasta. Prefer green vegetables (worth looking at the FODMAP diet though) and fish chicken eggs (check this further first). A glass of red wine.