Do: Stay hydrated
On this diet, eat 5 Medifast products each day and one self-prepared meal. Medifast aids short-term weight loss, but isn't sustainable enough to last.
The low-carb Atkins diet leaves much to be desired. It's effective for short-term weight loss, but isn't great for overall health.
The Dean Ornish Diet can be tailored to your specific health issues. The strictest version is challenging because it severely reduces fat intake.