The Effect of Milk Components on the Response to the Pneumonia Vaccine in Senior Citizens

Inclusion Criteria: * Age and a willingness to participate Exclusion Criteria: * • Smoking history within 10 years * Underlying neoplasia or immunological disease * Use of oral cortisone or other immunosuppressive agents * Current consumption of milk and milk products greater than 1 unit of milk, 1 yogurt, or 1 serving of fresh cheese a day. * Food faddists or those taking a non-traditional diet * Current consumption of dietary supplements * People with a known history of milk allergy * People with chronic renal failure * People with chronic inflammatory diseases taking daily doses of NSAIDs for longer than 4 weeks at the time of enrollment. * Previous administration of the pneumomax vaccine * Reduced physical activity (i.e. NYHA classes III-IV)