A method is disclosed for generating a database to be used to set illumination of an adjustable light source. The method comprising: for a plurality of different users: identifying an individual user； setting a specific light profile of the adjustable light source, the specific light profile comprising information pertaining to a spectral content and/or intensity of light by which the individual user is exposed to； while exposing the individual user for the specific light profile, sensing data pertaining to a health condition and/or a behavior of the individual user； determining a data set linking the specific light profile, genomic data pertaining to the individual user, and the data pertaining to the health condition and/or the behavior of the individual user sensed while exposing the individual user to the specific light profile； and storing the linked data set in a database. A light control system is further provided.
