How does your child's spoonful of medicine measure up? iStockphoto.com hide caption

itoggle caption iStockphoto.com

Megan Lindsey (right) and her friend Alexandria Bodfish at soccer camp at University of Notre Dame.  Megan, 14, suffered concussions twice this fall while playing soccer. Courtesy of Barbara Wirtz hide caption

itoggle caption Courtesy of Barbara Wirtz

Dr. Barry Gordon, a neurologist and an experimental psychologist at Johns Hopkins University in Baltimore, has been trying to help his son Alex find language. Alex, pictured here at 7 years was always non-verbal and diagnosed as autistic at age 4. Courtesy of the Gordon Family hide caption

itoggle caption Courtesy of the Gordon Family

Monica Hanson (top left) is the eldest of four daughters and says she fell into the role of firstborn naturally. Her sisters (from left to right) are Elena Lynn, Maria Godoy (a senior editor at NPR.org) and Olga Czekalski. Also pictured (bottom left) is her daughter, Erica, and Erica's cousins Kelsey and Taylor Lynn. Courtesy of Monica Hanson hide caption

itoggle caption Courtesy of Monica Hanson

Brothers Eric (from left) and Tom Hoebbel have the same genes, but they couldn't be more different. Courtesy of Tom Hoebbel hide caption

itoggle caption Courtesy of Tom Hoebbel