The present invention relates to a method for generating a database to be used to set illumination of an adjustable light source. The method (300) comprising: for a plurality of different users: identifying (302) an individual user (110); setting (304) a specific light profile of the adjustable light source (102), the specific light profile comprising information pertaining to a spectral content and/or intensity of light by which the individual user (110) is exposed (112) to; while exposing (112) the individual user (110) for the specific light profile, sensing data (306) pertaining to a health condition and/or a behavior of the individual user (110); determining (308) a data set linking the specific light profile, genomic data pertaining to the individual user (110), and the data pertaining to the health condition and/or the behavior of the individual user sensed while exposing (112) the individual user (110) to the specific light profile; and storing (310) the linked data set in a database. A light control system (200) is further provided.