A method 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 , by a first sensor , 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 to the specific light profile, sensing , by a second sensor , data pertaining to a health condition and/or a behavior of the individual user , wherein the act of sensing comprises sensing one or more of: pulse, heart rate variability, blood pressure, sleep pattern, eating habits, facial expression, oxygen level, body posture, tone of voice, hormone levels, movement pattern, and productivity; the method is characterized in that for the plurality of different users the method further comprises: 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 the database. for a plurality of different users: identifying , by a first sensor , 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 to the specific light profile, sensing , by a second sensor , data pertaining to a health condition and/or a behavior of the individual user , wherein the act of sensing comprises sensing one or more of: pulse, heart rate variability, blood pressure, sleep pattern, eating habits, facial expression, oxygen level, body posture, tone of voice, hormone levels, movement pattern, and productivity; identifying , by a first sensor , 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 to the specific light profile, sensing , by a second sensor , data pertaining to a health condition and/or a behavior of the individual user , wherein the act of sensing comprises sensing one or more of: pulse, heart rate variability, blood pressure, sleep pattern, eating habits, facial expression, oxygen level, body posture, tone of voice, hormone levels, movement pattern, and productivity; the method is characterized in that for the plurality of different users the method further comprises: 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 the database. 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 the database. <EOS>