Clinical Research Directory

Inclusion Criteria: * Individuals willing and able to give appropriate oral and written informed consent * Men and women over 18 years of age. * Correct body mass index (BMI) (Lean controls: 18.5-24.9 kg/m2. Obese gastric bypass patients: 35-50 kg/m2) Exclusion Criteria: * The individual does not follow instructions given in the research study. * Pregnancy. * Significant gastrointestinal problems. * Use of tobacco. * The individual consumed alcohol within two days prior to the study visit * Active cancer within 5 years. * Use of dietary supplements that impact the inflammatory resolution process (e.g., fish oils), and the person is not willing to discontinue the use of the supplements 1 week prior to the visits. * Underlying cardiometabolic disease, or medication related to such disease (e.g., blood pressure medication, insulin to treat diabetes, etc.). * Underlying inflammatory disease, or medication related to such disease. * The individual states that they have increased bleeding tendency or are using anti-coagulant (blood-thinning) medication. * For obese patients only: The individual has lost more than 8% of his/her body weight since their clinical referral for surgery or has lost more than 3% of his/her body weight in the 4 months leading up to surgery.