Causal association of allergic diseases, eosinophils, and osteoporosis: A Mendelian randomization study

1.) There is a significant bidirectional potential causal relationship between the 3 allergic diseases (asthma, allergic rhinitis, eczema) and eosinophils. 2.) There is no evidence to support a causal relationship between the 3 allergic diseases and osteoporosis, and vice versa. 3.) There is a unidirectional causal relationship may exist from eosinophil counts to osteoporosis.