Topic *ANOREXIA NERVOSA* This is a psychological disorder that is quite prominent among adolescents in which food is refused with the objective of rapid weight loss. It tends to be preceded by low self esteem and is accompanied by more or less serious undernourishment or malnutrition. *Food that contributes to its prevention are;* * A balanceed diet from infancy and childhood. * Consumption of more conventional dishes such as salads, grains, legumes, potatoes, etcetera, and fewer fast foods, sandwiches, chocolate, sweets, and ice cream.