For some conditions, health officials' recommendations can appear to feed the problem with advice to avoid crowds and to wash hands frequently

19-year-old Sophie Riegel gives inside glimpse into life with mental illness in memoir, offers helpful strategies in manual co-written with mom Deborah Grayson Riegel

Sara Dahan speaks of daughter's anxiety in face of rockets, and her tendency to lock into a fetal position when sirens sound; 'She was born into this situation. It breaks you'