The aim of this study is to determine how inflammatory resolution impacts cardiometabolic health and disease in subjects that are either lean (18.5-24.9 kg/m2), overweight (25.0-29.9 kg/m2) or obese (>30.0 kg/m2).

Inclusion Criteria:

• Informed signed consent has been obtained from the volunteer.
• The volunteer has a BMI greater than 18.5 kg/m2

Exclusion Criteria:

• The study staff contacting a potential participant perceives that the individual has difficulty understanding the information.
• An MD determines that the individual is on too many medications to participate
• The individual takes a medication that is approved by the MD, but he/she is not willing or not able to wait with any potential morning medication until after their fasted blood-draw.
• The individual is younger than 18 years (relevant for the FAINT-1 and FAINT-2 cohorts)
• The individual states that they have increased bleeding tendency or are using anti-coagulant (blood thinning) medication.
• The individual has some form of chronic inflammation.
• The individual regularly uses medication that affects inflammatory resolution (e.g., low-dose aspirin).
• The individual uses immunosuppressive drugs (eg, methotrexate).
• The individual regularly consumes fish oils (omega 3).
• The individual has significant gastrointestinal problems.
• The individual smokes or uses chewing tobacco.
• The individual has been drinking alcohol two days before the study visit.
• The individual has tattoos or body piercings on the forearms and / or the stomach that can affect the examination.
• The individual does not follow instructions given in the research study.

Subjects are recruited either via open adds of after having indicated in previous study registers that they are interested in participating as volunteers in future studies.