. >> so gieve, come and take your food now. >> nine year old gieve gregg is allergic to tree nuts and eggs. he's eating foods he couldn't eat before. >> how severe are the allergies? >> the first time we were exposed to it we had no idea how dangerous this is. >> that must be terrifying. >> it was terrifying. >> how is it gieve, is it good? [laughter] >> raana gregg is gieve's mother. >> thank goodness he didn't have any breathing problems at that point. it was just the hives, and the swelling. >> at stanford, a treatment called oral immunotherapy was effectively desensitizing patients--one allergen at a time. 11 year old lauren is being treated for her nut allergies. >> so you get the choice of mixing it with applesauce, chocolate pudding or vanilla pudding. >> okay, chocolate. >> but doctors faced a new problem. a third of people who suffer from allergies are allergic to not just one, but multiple foods. >> the minute you have a food allergy you also have a higher rate and chance of having other food allergies too. >> in 2009, the team at stanford decided to tackle this problem head

giev tt extended forecast.essica boyington, she's watching first alert traffic. >> bill, we're watching this construction out on 442. this is around route 23 where it's starting to see some of these lane restrictions be lift. we'll keep you updated and i'll have more updates for the rest of the roads when i come back at 5:30. >> good morning. i'm mat delucia getting ready for sweet 16 action later this weekend and we'll check in how villanova is getting ready. that's after the break. >>> plus, preventing exposure. hear what pennsylvania lawmakers are pushing for in the wake of the water crisis in flint. >>> right now on "nbc 10 news today," how sweet it is. villanova is getting ready for a sweet 16 match in kentucky but philadelphia is also getting ready for a tournament. >>> how workers will be impacted by a planned city hall shutdown. >>> and a warm start to your morning this morning. 56 degrees as we take a look live at boathouse row. we could be approaching record highs today. chance of thunderstorms tomorr

. >> giev tot to ask you quickly on that note.he be charged with withholding evidence since it's been all these years? >> that is a concern because as an officer or even a former officer, you're a custodian of that information. if somebody comes to you and they give you something, your job is to protect and preserve that and safeguard that and turn it in. so now that he has it and he didn't turn it in for so many year, he certainly could face some type of tampering or evidentiary charge in the future. >> joey jackson, thanks for breaking it down. >>> just ahead on new day, marco rubio taking a pack as his rival for the presidency decides to back out at the last minute. we'll talk about the impact to voters. ound way to go. let's talk asset allocation. sure. you seem knowledgeable, professional. i'm actually a dj. [ dance music plays ] woman: [laughs] no way! that really is you? if they're not a cfp pro, you just don't know. cfp -- work with the highest standard. ♪ prepare for challenges specific to your business by working with tr