n.
1) to be on, follow, stick to a ~; to go on a ~
2) to prescribe a ~
3) a balanced, well-balanced; bland; crash; reducing; special; starvation; steady; therapeutic ~
4) a high-calorie; high-carbohydrate; high-fiber, high-fibre; high-protein; low-calorie; low-carbohydrate; low-cholesterol; low-residue; low-salt, low-sodium; salt-free ~