The few extra-thyroidal outcomes that were found to be associated with genetic liability towards high but normal TSH levels included atrial fibrillation (odds ratio = 0.92, p-value = 2.13 × 10−3), thyroid cancer (odds ratio = 0.57, p-value = 2.97 × 10−4), and specific biomarkers, such as sex hormone binding globulin (β = −0.046, p-value = 1.33 × 10−6) and total cholesterol (β = 0.027, p-value = 5.80 × 10−3). Here, SHBG is linked to atrial fibrillation.