i'm livia. let's start with our top story for this week. we've all heard the saying that "sticks and stones may break my bones, but words will never harm me." well, when it comes to living a healthy life, alexa found out that may not always be true. >> according to a government study, more than half a million teens have an eating disorder. even more surprising, you may be disorder and not even know it. joining us to talk about this is dr. megan jones, a psychologist from stanford university. welcome. >> thank you for having me. >> thank you for being here. doctor, how can the way you think and talk about yourself affect what you eat? >> how you think and talk about yourself has a huge impact on how you eat. so if you think in a positive way about your body and about food, then that will take you towards healthy eating behaviors. >> okay. are there "red flag" words we should stay away from, even in our own thinking? >> absolutely. red flags are words like "good" or "bad," or even "healthy" and "unhealthy." so words that mean extremes, that a

i'm livia. let's start with our top story for this week. it's one of the world's most deadly diseases -- ebola. so, it's no surprise that to fight it, it takes a world of cooperation and a lot of resources. and that costs money. to raise funds and awareness of ebola, a concert was held at the united nations, and "teen kids news" was there. >> when you think of fighting ebola, you wouldn't think that would be a red carpet. but it is. >> we are here to support the families who are suffering from all the ramifications of ebola. >> it's about every human having the right to treatment, and i think that it's a global problem. it's not west africa's problem. >> the a-listers were all here to help raise money to fight ebola and to show their appreciation. >> god bless. god bless america to help us. thank you very, very much. >> one performer taking part in the night's concert is this teen rapper. >> i personally feel that being african-american, i have african roots, and, you know, i can't allow somebody else to just die off of a sickness that can

. >> yes, i had the honor of feeding pope francis along with my good friend livia bastianich at the residence of the papal nuncio. >> the east side, 72nd. right to where the parade's going. >> yeah, we did this once before for pope benedict, but this was an exceptional experience, different experience. >> so tell me what it was like to feed the pope, literally and figuratively. >> well, he was, as the last pope, very gentle, holy man, but a little more personable. we had more conversation with him. >> with francis? >> with francis. pope francis. and he had a smaller group that we served, so it was more intimate than the last time we did it, and he was just a wonderful, blessed individual that i had the honor of serving. >> so you had a german pope the first time and now an argentinean pope the second time. what kind of food did you serve? >> well, we thought since he was argentinean, he was gonna like beef, but that wasn't the case. he gained 15 pounds since being the pope, becoming the pope, so they have him on a kind of restricted diet, so we served him everything we served everyone else at

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