A system for providing a assistance for maintaining or improving an individual's wellness, comprising the steps of measuring a presence and/or concentration of one or more biomarkers in a sample from the individual; predicting a wellness need for maintaining or improving the individual's wellness based on the measured presence and/or concentration of the one or more biomarkers, wherein the one or more biomarkers are indicators of the wellness need; and altering the living environment of the individual, providing a wellness product or service to the individual or providing information, guidance or advice to the individual for addressing the wellness need of the individual.