After fifty, digestion (هاضمه) weakens before any other system. Persian medicine teaches that almost every chronic illness of later life — joint stiffness, fatigue, heart disease, low mood — begins as poor digestion silently producing unrefined fluids the body cannot clear. Protect digestion and you protect everything downstream.
Practices
- Eat your largest meal at midday, when digestive fire is strongest, and a small light supper at least three hours before bed.
- Build the plate around walnut, garlic, onion, olive oil, apple, pomegranate, and seasonal greens — the six foods Dr. Hossein Erfani returns to in nearly every chapter.
- Drink warm water and herbal infusions between meals; avoid ice-cold drinks with food.
- Chew slowly. Eat seated, with company when possible. Stop just before you feel full.
- Match foods to your Mizāj: warming spices for cold temperaments, cooling fruits and herbs for hot ones.
Persian wisdom
Avicenna devotes an entire book of the Canon to regimen — what you eat, when, with whom, and in what mood. He calls food the first and gentlest medicine, prescribed three times a day across a lifetime.
Modern science
Modern studies on Blue Zones (Sardinia, Okinawa, Ikaria) echo the same patterns: plant-forward, modest portions, walnuts and olive oil daily, eaten communally at consistent hours.