Inclusion Criteria:  Overweight men (Basal Metabolic Index 25-32) Age limit between 40-65 years Be able to commute to Loma Linda University  Exclusion Criteria:  Intolerance or allergy to almonds Bad dentures, inability to chew almonds Regular intake of almonds and or other nuts Use of immune boosting supplements Exposure to antibiotics and corticosteroids immediately prior to study Have received influenza vaccination in past 10 months Uncontrolled chronic disease and psychiatric illness