Healthy living with extracts from Risalatul Zhahabiyya
Ma’mun Rashid Imam Ali Ridha (pbuh) to write him a treatise on what to consume to ensure a healthy life. In response, Imam wrote him a long letter giving details of the rules for sound health, when and what to eat and drink. The book cites an extract from this letter. It also includes other prescriptions as recommended by the Prophet (pbuh) along with manners of eating and drinking.