A new study challenges what's long been assumed about genetic variants thought to always cause inherited blindness.

Increased BMI and IBD have causal effects on the risk of hidradenitis suppurativa, as shown by Mendelian randomization ...

In Mendelian inheritance patterns, you receive one version of a gene, called an allele, from each parent. These alleles can be dominant or recessive. Non-Mendelian genetics don’t completely follow ...