People with Marfan syndrome may have: 1  A tall, thin build. 2  Long arms, legs, fingers, and toes and flexible joints. 3  Scoliosis, or curvature of the spine.  A chest that sinks in or sticks 1  out. Crowded teeth.  Flat feet.
The new guidelines, however, do not extend to all children under 4. The AAP still does not recommend swimming lessons before age 1, and says children with motor or cognitive disabilities may not be not be ready for swimming lessons until a later age. Drowning is the second-leading cause of death for children ages 1 to 19, according to the AAP report.
Children who swim are exposed to a host of pathogenic germs, and babies in particular tend to swallow the water theyâre swimming in. Also, water that is too cold is not good for babies, Gilchrist says. âYou have to watch out for hypothermia.â. Class size and level of supervision also is important.