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>> i am not gelth political here. the radicalization of american politics are is not simmetriical. they fear change and see the world? 0 sum terms. [laughter] >> kennedy: that's hillary clinton giving the commencement. mrs. 0 sum. same day nancy pelosi addressed graduates in the college. are college and universities ignoring certain political view points. only three conservative were invited to give commercement addresses. the study finding at among the top 45 schools 0 invited

Airport. it's one of the busiest in this country. do you expect more people there later in the day? >> reporter: you know, i think it's possible. i think really what brought it last time was the mediatesy of that order. people come through these doors, as you know, all the time. there's not that same immediacy. we may see this build over time. >> sandra: all right, jeff at o'hare airport. thank you for your reporting. speaking of the airports, security patdowns at the airport are about to get more invasive. the tsa stepping up efforts to keep weapons off airplanes using a more comprehensive kr...

. some good news for couples. a new study finding that having more sex could help boost immunity. dr. samadi, tell us about this. >> i've never seen you get excited about any topic except for this one. >> really? >> it is really helpful to your health. study after study shows having two to three times sexual activity during the week increases your antibodies. iga and immune system. it can prevent you from getting any kind of diseases. a couple of years ago, there was a study came out that said if you're having sex twice a week, it can reduce the risk of prostate cancer. every man out there was...

Want to make sure you relax it more at home. a new study finding when people are stressed the hormone cortisol makes your brain crave foods that make you gain weight. you're more likely to grab a cookie. we have private practice md to explain the science. what is it in our bodies that makes us lose our will power? >> that's what's interesting. we've known that chronic stress makes us pack on the pounds and add inches to our waistlines. this study shows how. they took 51 men volunteers what they did is divided them into two groups. one that was exposed to stress and the other one not exposed to...

You worry. you do whatever it takes to take care of your family. and when it's time to plan for your family's future we're here for you. we're legalzoom, and for over 10 years we've helped families just like yours with wills and living trusts. so when you're ready start with us. doing the right thing has never been easier. legalzoom. legal help is here. welcome back. some quick health headlines now for you. a reason to get your teen boys up and moving. a new study finding too much time in front of the computer or television could mean weaker bones later in life. more than six hours in front ...