Learning Objectives:
1. To remark the relationship between food hypersensitivities and atopic dermatitis.

2. Frequency and epidemiology in atopic dermatitis and food hypersensitivities.

3.-review the approach to patients with atopic dermatitis and food hypersensitivities.

4. Diagnostic methods in food hypersensitivities.

5. Treatment to food hypersensitivities.

6. To compare food allergens  in mexican populations and the other populations.

7. Tolerance time in atopic dermatitits with food hypersensitivities