What is PANDAS, the disorder some doctors say can cause extreme behavioral changes in kids? Alexia was a normal 4-year-old when she suddenly became defiant and explosive.

PANDAS syndrome is the result of an autoimmune response to a strep infection. Learn about causes, symptoms, treatment, and more at WebMD.

The hypothesis behind PANDAS, you learn, is that it is an autoimmune disorder caused when the antibodies that form to fight a common strep throat infection instead begin to attack the brain.

This is the last Weekly Wonder as we all shepherd our kids into this unusual school year. Here are a few fun diversions to ease stress — or, for younger kids, fill the time.

The latest at Brelby (a portmanteau of the names of founding couple Brian and Shelby Maticic) is "The Revenge of the Space Pandas or Binky Rudich and the Two-Speed Clock." First performed in 1978 ...

Two pandas were married by proxy in Thailand on Wednesday at what officials hope is the start of their mating season. ... Panda pair 'married' as officials hope for kids.