A doctor may know more than a peasant, but a peasant and a doctor know more together.

Actually, when you get into your sixties and above, you want to think about exercise differently. It's not just about you know cardiovascular or lifting weights. It's also about avoiding accidents.

Walking is the only way proven to stave off cognitive decline - it works.

A long healthy life is no accident. It begins with good genes, but it also depends on good habits.

So learning to play a new instrument, learning a new language - those sorts of things will pay dividends for years or decades to come.

The longest-lived people eat a plant-based diet. They eat meat but only as a condiment or a celebration. Nothing they eat has a plastic wrapper.

The beauty of moving naturally, i.e. walking and gardening, is they're low impact. You're less likely to fall down and break a hip. Setting up your life so you're nudged into general physical activity every day is a strategy for your entire life from age 10 to 100.