The Keto diet has been <br />praised as a quick weight loss <br />plan, but health.com warns <br />about these potential side effects. <br />1. The "keto flu" <br />2. Diarrhea <br />3. Limited athletic performance <br />4. Ketoacidosis <br />5. Regaining weight <br />6. A decreased metabolism and less muscle mass <br />7. Higher risk of heart disease and diabetes <br />Consult a physician before starting any new diet plan.