For example, ibuprofen was related to significantly better reasoning test and reaction time (breasoning 0.05 (0.02 to 0.08), breaction time 4 (3 to 5)), as were some cancer medications when tested at the subgroup level (eg, aromatase inhibitors, breasoning 0.28 (0.13 to 0.43)). The gene discussed is CYP19A1; the disease is cancer.