dr. travis. i know people are like why do you have doctors on a money show? what are you doing?ut you're saying there are ways to be healthy that can help your budget, as well too in your new book, right? >> every minute you invest in your health today will increase your life span later on. so it'll pay off in the long run. >> you're going to have so much wealth later down the line if you take care of your health early. i'm an e.r. doctor, i see people come into the e.r. for conditions that could have been prevented. and i always stress prevention will save you money. health's more important, i have to say, than money. if you don't have your health, money doesn't matter. >> right. >> but one does beget the other, believe it or not. >> no, it makes a lot of sense. let's talk about a few topics that people are always talking about. one of them being their always their weight. there are some ways to prevent any issues, whether or not you gain weight, lose weight, whatever it may be. there are good ways to go about monitoring your weight. >> i love how your show is called the bottom

dr. travis. i have a million questions for dr.lp. in nikki in virginia. >> i think it's time to call nikki. what do you think? >> okay. >> she has no idea we are calling her. >> it's gonna be so cool. >> let's give this a whirl. [dialing] [ringing] >> hello. >> hello, is nikki in, please? >> this is she. >> hey, it's dr. travis stork calling from the set of "the doctors"! >> whatever, are you serious! >> everyone say hi, nikki! >> hi, nikki! >> oh, my gosh, oh, my god, are you serious? >> you are on live here during a taping of "the doctors". >> wow! oh, my goodness! >> your big question is about allergies, right? >> yes, it is, actually. i never had allergy when i was a kid and i have a cat and i was wondering if you can develop allergies as an adult. specifically to cats? >> well, nikki, you can develop adult onset allergies. >> uh-huh. >> it's common with pets because your immune system is reacting to animal proteins. and the one thing they will say, if you are having them year-round, and particularly when you are at home with

dr. travis, all right. let's take a listen. >> hi. i live in seattle. that affects my mood and what i can do about it? >> hmm. >> did you see how sunny it was? >> yeah, right. >> ironic. >> also the seasonal blues, seasonal effective disorder. >> which is common now. >> true depression. but people get the winter blues because it is a real phenomena. there are a lot of things you can do, light therapy proven to work for folks who get the blues. >> light boxes on your desk. >> it replicates the sunlight. i will say doing the things we're less inclined to do in the winters, get out, continue to exercise, even if it's a bit cold and gray out, you are still going to get sunthe seasonal blues one of those things we live through it a bit. if you are really struggle, you should go see a doctor, though. >> this question is from you, from our facebook page, all right? >> okay. >> take a listen to this. i'm -- i'm not me, but the person writing in, jamie, is five months pregnant and putting on too much weight. i do not eat a lot and do not indulge in snacking on j