Appropriate diet, work, and sleep
(all in moderation are essential for good health).
Discipline (Yog) prevents a lot of pain and misery.
Bhagavad Gitā, VI:17
Eating according to Dharma consists of eating healthy food in moderation (discipline) to maintain a healthy body. Healthy lifestyle is the first & most important Dharma. Without a healthy body no one can perform his / her duties.