Take a Caesar salad at a McDonald's every day, and your health will likely also be enviable.

The word "salad" doesn't imply "healthy".

It has plenty of green vegetables, and croutons, sauce, and chicken nuggets are all optional. (Ask me how I know.)

Stress is the #1 killer. Being rich likely helps the stress levels. Not worrying about rent/mortgage can likely extend someone's life by 10% easily.

Genetics is the #1 killer.

Most of a person's potential life expectancy is pre-determined.

Wealth does that.

Also, consistently eating 1 item from McDonald's every day is probably not going to tank your health (if it's one of your few diet vices).

We've got people drinking 600 calorie frappucinos before they touch a bite of food.

Also, breakfast items are typically the "healthiest" fast food items. An Egg McMuffin for example has a fresh egg, piece of ham and an English muffin. Hardly a disaster meal diet wise.

*wealth