Other traits associated with GDF11 expression in this category included “respiratory disease” (p = 1.30E-06, Z-score = -4.7), “self-reported asthma” (p = 3.17E-05, Z-score = -4.0), and “lung FEV1/FVC ratio” (p = 4.81E-05, Z-score = 3.9). Here, GDF11 is linked to asthma.