Plant only diet. Intermittent fasting. Juice daily (mostly veggies). No processed foods. Organics as much as your budget permits. Adjustments for body-specific needs (eg: Celiac et al). Exercise 3-4 times per week. Mindful meditation every day (or your preferred mechanism of stress reduction). Wash, rinse, repeat. This is a change of lifestyle, not some flash-in-the-pan diet (those are short term and easy and provide short term, temporary results) 3% of the population will follow this sort of methodical, healthy lifestyle. The rest of the population will not and die younger than they should from avoidable diseases. IMHO.