If your family spends any time around water, drowning is always a danger.Drowning is a leading cause of death among children, including infants and toddlers. Toddlers between one and four years of age most commonly drown in swimming pools. Foresight is the best prevention for safety around water. Fences, alarms, and supervision are very important to help keep your child safe. Swimming lessons for you and your child offers another great safety measure. And, make sure you know your water. Oceans, lakes and large open water sources offer the greatest dangers.  Deborah Mulligan, MD, shares great advice on what you can do to keep your children safe in the water.