The International Classification of Diseases, or ICD, is a classification system for all physical and mental diseases produced by the World Health Organization (WHO). It’s used for diagnosis, research ...

Poor sleep isn’t just about not getting enough hours. It’s also about when you sleep, how regular your schedule is, and whether your rest gets interrupted. And according to new research from 88,461 ...

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 ...