Groups at high risk of drowning death include the following: Children from African American, Native American, immigrant, or impoverished families (2) Children who have not received formal swimming lessons and are unsupervised around water (3, 4) Males (80% of victims over age 1 year are male) People who have used alcohol or other drugs that affect judgment and alertness People with conditions that cause temporary incapacitation (eg, epilepsy [5], which is associated with a 20 times increased chance of drowning among children and adolescents) People with arrhythmogenic cardiac disorders, including long QT syndrome (swimming can trigger arrhythmias that cause unexplained drowning in people with such disorders) People who engage in dangerous underwater breath-holding behaviors (DUBBs) Drowning is common in pools, hot tubs, and natural water settings, and, among infants and toddlers, in toilets, bathtubs, and buckets of water or cleaning fluids.