chris clackum, nbc news. >> so heads-up if you have a ritz cracker box in your home. may want to throwhem out. they are withdrawing products due to possiblene sala contamination. 16 varieties are on the list. the concern is over the ingredient whey powder. the company behind the powder issued the recall because of the possible risk for salmonella. far, there are no reported aillnesses. >> a new app aims to give people the power to reach out for help w tny're struggling with a mental health issue like deanxiety or ession. it's called, not okay. as kate snow reports, it was invented by a brother and sister who wanted to give others a lifeline. >> reporter: for the lucas family, happy moments like these are treasures. just last year, their daughter hannah was in a much different place. because of a medical condition she has fainting spells and kids at school were making fun of her. >> i didn't realize that the bullying had gotten so out of hand until this spring, you know, she just sort of kept it all to herself because she -- she finally told me she didn't want to be a