The Beach Boys founder had been placed under a conservatorship less than two years before his death Brian Wilson died of "respiratory arrest," according to his death certificate The Beach Boys founder's death was announced by his family on June 11 The legendary singer was 82 years old when he died,

Two weeks following the passing of Beach Boys legend Brian Wilson we have learned the cause of his death. Wilson died of “respiratory arrest”, according to Wilson’s death certificate obtained by TMZ. With that condition, a person’s heart is still beating but the lungs stop functioning, depriving oxygen from their system, eventually killing them.