Postprandial Inflammatory Response in Healthy Men: Effect of Dietary Fat Source, Obesity and Age

Inclusion Criteria: * Subject giving his written informed consent * Male from 20 to 35 years old and more than 60 * Affiliated to the French National Health Insurance * Body mass index (BMI) ≤ 25kg/m² and waist circumference ≤94cm ; or BMI ≥ 28kg/m² and waist circumference ≥ 102cm. * Complete blood count (CBC)-platelet, normal liver function and normal coagulation. * Serology of Human immunodeficiency virus (HIV) and hepatitis C virus (HCV) negative * normal Thyroid Stimulating Hormone(TSH) Exclusion Criteria: * Previous medical and/or surgery judged by the investigator as incompatible with this study * Glaucoma * C-reactive protein \> 10 mg/l * people over 120 kg * People with triglyceridemia \> 3 g/L or with familial hypercholesterolemia * Fasting glycemia \> 1,26 g/l, abnormal Oral Glucose Tolerance Test * Dietary habits judged by the dietitian as incompatible with the study aim * Vegetarians * Nutritional allergies or xylocaïn allergy * People with eating disorders * Heavy consumer of alcohol or cigarette * Practising intensive physical exercise * People with medication that could interfere with the measured parameters: beta-blockers, statins, anticoagulants, antiplatelet agents, corticosteroids for more than 8 days. * Depression or psychiatric treatment * Being under someone's supervision * Refusal to be registered on the National Volunteers Data file or refusal to sign the consent form * Being in exclusion on the National Volunteers Data file * Blood donation into the last two months preceding the study