. >> this harvard professor and the head of the beth israel deacon is cancer center says when we eat and drink sugar it causes a sudden smik in the hormone insulin which can fuel certain types of cancers. >> what we're beginning to learn is that insulin can cause adverse effects in various tissues. of particular concern is cancer. >> why? nearly one-third of some common cancers, including breast and colon cancers, have something called insulin receptors on their surface. insulin binds to these reseptemberors and signals the tumor to start consuming glucose. every cell in our body needs glucose to survive, but the trouble is these cancer cells also use it to grow. >> so if you happen to have a tumor that has insulin receptors on it, then it will get stimulated to take up the glucose. it's in the bloodstream. rather than going to the fat or the muscle, it now goes into the tumor and the tumor uses it to grow. >> just seeing that tumor turn blue, which is essentially reflective of the glucose going into it. >> that's right. >> so these cancers, much in the same way that muscle will say,

. >>> i went to this great event, beth israel medical center.or breast cancer survivors. i want to give a big thank you to everybody there. >>> okay or not okay? >> is it okay to put your lover in your music video? kathie lee says it seems a bit voyeuristic but it probably boosts sales so who am i to judge, judy? >> right. hoda said sure it's okay. everything is okay with you. even if you do break up, who watches music videos anymore? when are they even on? >> okay? >> britney didn't write that one. you wrote that one. >> when are they on? >> respect they still on mtv? >> they're on occasionally. >>> we got a big show today, eva longoria is in the house and she, believe it or not, ready for love. >> we'll see how two lucky ladies turned out after their "ambush makeovers." but first, these messages. toilet rings from building up, you'd have to clean your toilet every time you flush. that's over thirty-six hundred times a year. [ ding ] who would do that? it's scrubbing bubbles toilet cleaning gel. just stamp it in. its formula is flush-activated

. >> gupta: cantley, a harvard professor and the head of the beth israel deaconess cancer center, sayswe eat or drink sugar, it causes a sudden spike in the hormone insulin, which can serve as a catalyst to fuel certain types of cancers. >> cantley: what we're beginning to learn is that insulin can cause adverse effects in the various tissues, and of particular concern is cancer. >> gupta: why? nearly a third of some common cancers, including breast and colon cancers, have something called insulin receptors on their surface. insulin binds to these receptors and signals the tumor to start consuming glucose. >> cantley: this is your body. >> gupta: every cell in our body needs glucose to survive. but the trouble is, these cancer cells also use it to grow. >> cantley: so, if you happen to have the tumor that has insulin receptors on it, then it will get stimulated to take up the glucose that's in the bloodstream. rather than go into fat or muscle, the glucose goes into the tumor, and the tumor uses it to grow. >> gupta: so you've just seen that tumor turn blue, which is essentially reflec

when i brought some of their findings to a neurologist at beth israel hospital in boston on the faculty of harvard and said what do you think of these findings, he said these guys were brilliant. they didn't have our technology, but they were every bit as smart as we were. so that was revealing. >> i love the idea of separating moments of discovery from the things you discover, and i think that the research process for me, there wasn't a day that i didn't stumble across something. nothing earth shaking, right? nothing earth shattering, but small bits. what did the carriages look like, spending time -- paris is called thety of lights for a reason, because in 1667 kink -- king louis decided he was tired of paste being the crime cap -- paris being the crime capital of europe. and, you know, that makes a difference to the writing because if you have people moving through the city of paris before the streets are lit up versus when they were, um, things look differently. you feel a heck of a lot less scared in crime-ridden paris. so, you know, i would spend moments trying to figure out, you k

it's followed by israel beth colored methodist episcopal church located on capitol hill in 1820. and even closer to our location, the most important, probably longest enduring institution was the 15th street presbyterian church founded in 1841. it was the first african-american presbyterian church in the city. it was founded by the educator and pastor john f. hook sr. and its first meetings were in his home located at 14th and 8th street northwest. do you know where that is? where are we now? we're at 16th and 8th street. go down two blocks and you'll know where it was. all these institutions were critical, i think, to the vitality of the african-american community and they provided both religious guidance for the congregants who went there and community service for residents. these churches fulfilled a lot of roles within the community. they're also the locations for schools for black children because many of the schools in washington, d.c., were closed to them. together, what they represent -- these businesses, these institutions, these schools -- are an intricate infrastructur

. >>> i went to this great event, beth israel medical center. it wascancer survivors. britney didn't write that one. you wrote that one. >> when are they on? >> aren't they still on end tv? >> they're on occasionally. >>> we got a big show today, eva longoria is in the house and she, believe it or not, ready for love. >> how t seewo how t lucky ladies turned out after their "ambush makeovers." t activia. i've been eating activia and i feel great! i'm used to having irregularity. i feel like that's normal. if you are not feeling like trying this on, that's not normal. activia helps with occasional irregularity when eaten 3 times a day. feeling regular to me was a new feeling... i came to find my 'new normal' and i love it! ♪ activia and try new silky, fruity activia harvest picks. another way to enjoy activia. >>> actress eva longoria is probably best known for her role as gabby solize which is wrapping up after eight seasons. >> but she's executive producer on a new project called "ready for love" right here on nbc. >> yea! >> i got to be honest, you look like a woman