Study sample: 50 chronic psychiatric inpatients with DSM\_IV diagnosis of schizophrenia or schizoaffective disorder, aged 18 or older. Exclusion criteria - pregnancy, severe physical illness, refusal to participate.
Study instruments: Q-LES-Q-18 (quality of life): Positive and Negative Syndrome Scale; Laboratory test- glucose levels, metabolic profiles (cholesterol, triglycerides). Measurements: Weight, BMI, pulse Intervention: Weekly group therapy, lectures on nutrition, physical exercise Duration of study: 3 months
