Eating food or drinking water that contains lead. Water pipes in some older homes may contain lead solder. Lead can leach out into the water.

Spending time in areas where lead-based paints have been used and are deteriorating. Deteriorating lead paint can contribute to lead dust.

Working in a job where lead is used or engaging in certain hobbies in which lead is used, such as making stained glass.

Using health-care products or folk remedies that contain lead.