The teen protagonist in John Green's latest novel, Turtles All The Way Down, has a type of anxiety disorder that sends her into fearful "thought spirals" of bacterial infection and death.
Anxiety-based school refusal affects 2 to 5 percent of school-age children. Some schools are employing new strategies to help these students overcome their symptoms.
Kerri De Nies plays with her son, Gregory Mac Phee at their home in San Diego. Gregory tested positive for adrenoleukodystrophy, a rare brain disorder that affects 1 in about 18,000 babies. Roughly 30 percent of boys with the genetic mutation go on to develop the most serious form of the disease.