Asthma is more common in children and adults in Central Harlem, compared to other New York City neighborhoods. The factors that can increase risk of childhood and adult asthma are associated with substandard housing conditions. Substandard housing conditions are water leaks, cracks and holes, inadequate heating, presence of mice or rats, peeling paint and can include the presence of mold, moisture, dust mites. In 2014, Central Harlem tracked worse in regards to home maintenance conditions, compared to the average rates Manhattan and New York City. Twenty percent of homes had cracks or holes; 21% had leaks and 19% had three or more maintenance deficiencies.