CACNA1H and epilepsy: Mutations in the CACNA1H gene that encodes the Cav3.2 T-type calcium channel are risk factors for a number of human channelopathies including epilepsy [1], primary aldosteronism [2], autism spectrum disorder [3, 4], amyotrophic lateral sclerosis [5, 6], congenital amyotrophy [7], and trigeminal neuralgia [8, 9].