People's dietary choices are sometimes affected by intolerance or allergy to certain types of food. There are also dietary patterns that might be recommended, prescribed or administered by medical professionals for people with specific medical needs. Best Bet Diet: A diet designed to help prevent or mitigate multiple sclerosis, by avoiding foods with certain types of protein.
Colon Cancer Diet: Calcium, milk and garlic are thought to help prevent colon cancer. Red meat and processed meat may increase risk.
Diabetic diet: An umbrella term for diets recommended to people with diabetes. There is considerable disagreement in the scientific community as to what sort of diet is best for sufferers.
DASH Diet (Dietary Approaches to Stop Hypertension): A recommendation that those with high blood pressure consume large quantities of fruits, vegetables, whole-grains and low fat dairy foods as part of their diet, and avoid sugar sweetened foods, red meat and fats. Promoted by the US Department of Health and Human Services, a United States government organisation.
Elemental diet: A medical, liquid-only diet, in which liquid nutrients are consumed for ease of ingestion.
Elimination diet: A method of identifying foods which cause a person adverse effects, by process of elimination.
Gluten-free diet: A diet which avoids the protein gluten, which is found in barley, rye and wheat. It is a medical treatment for coeliac disease.
Gluten-free, casein-free diet: A gluten-free diet which also avoids casein, a protein commonly found in milk and cheese.
Ketogenic diet: A high-fat, low-carb diet, in which dietary and body fat is converted into energy. Used as a medical treatment for refractory epilepsy.
Liquid diet: A diet in which only liquids are consumed. May be administered by clinicians for medical reasons, such as after a gastric bypass or to prevent death through starvation from a hunger strike.
Specific Carbohydrate Diet: A diet that aims to restrict the intake of complex carbohydrates such as found in grains and complex sugars. It is promoted as a way of reducing the symptoms of irritable bowel syndrome (IBS), Crohn's disease, ulcerative colitis, coeliac disease and autism.