them. they got axed from the "britain's got talent" show. they got nothing to complain about. >> i think what they do is they do the routine, they teach other people to do it. pretty good. >> sanjay gupta md starts now. thanks for joining us on sgmd. ahead i'm going to tell you why laughter really is the best medicine, and what makes a joke funny. plus, the truth about protein. turns out you can have too much of a good thing. i'm going to explain that. first, the golden gate bridge in san francisco is one of the most striking landmarks in the world. it also has the distinction of being the number one suicide spot in america. something a lot of people don't know. it's raising all kinds of questions about how and when to intervene if a person is troubled. now the city is on the verge of taking a drastic step. >> it's been described as delicate. and powerful. a testament to mankind's

creativity. but in the shadows of the golden gate bridge towers there is a darker history. >> though it is the site where unfortunately some people in deep moments, dark moments, come to hurt themselves. >> it was march 2005 when kevin started driving from oakland to san francisco. he had no idea where he was headed. only that he wanted to end his life. >> i was hurting a lot. i was dealing with a lot of issues. >> for reasons that to this day he still doesn't understand, berthia was drawn to the golden gate bridge. >> i walked and i thought about things for a minute. i remember making one phone call and proceed to walk on out to the tower and -- >> he saw me and then he went over the railing and stood on a small pipe. >> a highway patrol officer, sergeant kevin brigs was on duty. he approached and asked berthia a question. >> what can we do to get over this hump?

>> countless people stood on this same precipice, more than 1600 of them jumped. >> it is easy for the average person to go over the rail. >> many have fought for decades to take away that easy access, to deter would-be jumpers. what seemed a simple idea, a physical barrier to jumping divided the city. half wanted it. >> the other half said don't you dare deface the bridge, dond build it. if you build it people will go somewhere else. >> that may not be true. in fact, one study of 500 people who tried to jump but were restrained found that decade later 90% were still alive or died of natural causes. other bridges with barriers have reduced or eliminated suicides. >> apparently suicidal individuals don't want to hurt themselves, people stopped jumping. >> with that in mind on june

27th, the golden gate bridge authority will vote on a $76 million plan for this, a steel net extending out from the side of the bridge. >> you see that? >> berthia says a net would have deterred him. he accepts that standing on the edge and then finding the courage to climb back and get help is part of his story. >> joining me is kevin hines, a young man who has a personal story to share as well. welcome to the show. we met ten years ago. >> yes. >> after a tumultuous time in your life. in fact, you took me to the bridge and you showed me the spot where you in fact jumped yourself. >> yes. >> you remember that? >> i remember that vividly. >> you remember our conversation? >> i do. >> what about the moment that you actually did this? is this something so many years later you still think about? >> you know, it was the worst

suicidal depression. i was brought to the bridge because i was hearing voices, saying that i had to die. not because i wanted to die. because i believed i had to. and the message i spread is about the art of learning to live mentally well. >> when you're going through something like this, and people have been, who are watching may have been in pretty tough times themselves, at the time that you jumped what is going through your mind? had you come to terms with this? did you suddenly want to reverse it? >> the millisecond my hands left the rail my thoughts were these. what have i just done, i don't want to die, god please save me. then i hit the water. when i resurfaced before almost drowning, losing the ability of my legs, all i wished and prayed for was to live. and had i gone there not knowing i had no knowledge of the golden gate bridge, i had no knowledge people survived the few that did. i had no knowledge that

1600-plus died at that bridge. so, if i went there, and there was a net or a railing i would have had to ask for help. and in my head sanjay, all i wanted was for one person to look at me in pain and suffering and crying my eyes out and say are you okay? is something wrong or can you help you? and i made a pact with myself much like many suicidal people do, that if that had occurred i would have told that person everything. the question, would they have listened? >> your own story aside, people who are at that state, the state you were in, maybe it's not the golden gate bridge, again, will this really decrease suicides you think across this area, or in general? >> you know, the science is there the studies are there, the proof is there, yet people around the country and the globe they say things like why ruin the aesthetics, it was a huge issue. they didn't want to ruin the

beauty of the bridge, a piece of iron. what are they compared to one human livment what if that was your son or daughter. that's what we have to get people to understand that these people who go there to die, they don't necessarily want to but they are in a state of mental instability, where they feel there is not another option. and those are the people we have to reach out to. because they are suffering and they deserve hope just like everyone else. >> i'm so glad to see you again, so glad you're doing well. and thank you for staying on this. i mean look, kevin. as i said one of the greatest thing we can do is have that impact on people's lives. sounds like from what the science shows and what this may accomplish a lot of lives may be saved. >> i hope so. and i believe so. >> thank you very much. appreciate it. >> a lot of people throw around the term obsesstive compulsive, ocd. it's a real condition and can be debilitating. you'll see what i mean and a new treatment for it straight ahead.

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one case we saw it take effect in front of our eyes. >> he had friendships and he was funny and goofy and spontaneous and loud. he was normal. >> normal, a life filled with hope and possibility would not last long for brett. the change began when brett was 10. his father died. >> he was virtually mute for a year. he did not speak at all. i didn't understand it at all. none of us did. >> but this was not typical grieving. it was full blown anxiety. so brett's brain began concocting unusual coping mechanisms. >> i get a bad thought, someone's going to die.

i got the thought in my head. if i flip the light switch off and on a certain amount of times i could control it. >> at 12 brett was diagnosed with obsessive compulsive disorder, imagine a broken record and you have a sense about his life. on a typical day a shower can take 45 minutes. getting dressed, even longer. >> putting on his shoes, it can take hours. he'll put them on and take them off and turn them around and take them off. >> think of ocd as a neurological hiccup, faulty wiring in the brain. it spills over into brett's speech. >> someone wants to have a normal life, a better life. >> years of therapy, medication, even hospitalization didn't help. >> i know that brett has a lot of normal in him.

he's still that goofy kid and there are moments when he's free enough of anxiety he can express that. but it's only moments. it's not days. it's not hours. it's not enough. >> this his doctors believe, is both his best and last hope. deep brain stimulation, or dbs. >> how are you feeling right now? >> happy? >> electrodes are placed in brett's brain tissue to short circuit the signals that cause so much anxiety and fear. >> when we're stimulating, he started laughing and he started you know, he became really happy, his mood was elevated. he was talking a lot better. >> feel like laughing, that's good. >> we want to know when you have those feelings. tell us. >> later when the electrodes are turned on with a current brett's

doctors bet that his neurological hiccups will be fixed. >> hi, brett. how are you doing? >> pretty good. >> thanks for coming. >> sure. >> a few weeks now since his operation. and brett is having the electrodes turned on. >> feel any changes? sensations anywhere? >> i feel like laughing. like in surgery. >> it will take several months and several adjustments to the electrical current for brett to find out if the feelings will last. >> i'm going to be looking at you all night. >> a few months later, progress. it's up and it's down. >> it's been a week or so. i might have a hard time for a while, then it gets better.

>> it's not quite where he wants it to be, but he's inching toward it. today, brett is going in for what doctors think is his final adjustment. >> off to see the wizard. >> how long did it take you to get to the car this morning? >> it was a breeze. >> a few seconds. >> and before the surgery, how long would it take sometimes? >> do you want me to say or do you? sometimes it would take hours. >> normal activities, conversing, relating, feeling unstuck, they are all getting easier. >> feel like i'm getting a little better. every day a little bit. >> normal, it was so fleeting for decades, but it's now creeping back into brett larson's life.

>> before the surgery i couldn't work. i felt like i couldn't do a lot of things. i feel like i'm more able to achieve the things i want to do since i had the surgery. >> you can see there it's a new world. dbs is also used to treat depression and parkinson's disease. with ocd it's only in extreme cases. up next action we've got news you can use. a proven way to make your friends laugh. (mother vo) when i was pregnant...

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one morning i shot an

elephant in my pajamas. how he got in my pajamas i don't know. >> the humor of groucho marks is considered funny. i talk a lot how laughter can be like medicine. it can improve our health, make us more tolerant to pain. why are some things nony and some not. it depends on who you ask. i asked scott wiems. he joins me from arkansas. welcome to the program. >> thank you. thank you for having me. >> i was excited about your book. you approach this topic from that vantage point. you spent a decade looking into this. why are some jokes funny and some not? >> yeah. i mean i hate to make it sound too complicated but there is no simple answer for what make as joke funny. if there was comedians would never fail. it comes down to key

ingredients. surprise is one of them like with the groucho marks line. the reason i like it so much is because it's a short line, you imagine groucho wearing pajamas, there is a brief period and then you're trying to make an elephant wear pajamas. so you have surprise and then there has to be a destination, too. and in the case of groucho i guess that's an elephant in his pajamas. >> the person listening expects it to go a certain way and all of a sudden you take a turn on them. how about things like self deprecation? when you are sort of targeting yourself as the focus of the humor. >> yeah. i mean, i think the mechanism behind that and all kinds of humor is the same as that like you said, you're setting up expectation and violating it in some way. self deprecating humor is interesting. if one were to insult yourself. make up an insult about myself i

don't know if that would be funny. so self deprecating humor usually there is more than one message. sometimes it's not as deprecating as the surface may imply. so i think that's why there is a saying if you want to make a point you tell a story. if you want to tell -- make many points you tell a joke. that applies for all kinds of humor. >> it broke down among gender as well my understanding was. humor is consistently ranked the most important factor in healthy relationships but served different purposes for the two sexes. >> yeah. this is always tricky because it's so hard to interpret some of the data. but there are some findings that you can't argue. one is that women laugh more than men and we know because scientists robert provine a psychologist from baltimore went out and eavesdropped on people for a year and in coffee shops and women laugh, two women laugh twice as much as two men. women are outnumbered in

professional comedy by quite a bit. still there are great examples of professional female comedians. but you know, there the minority. i'm not sure there is a way to know where this comes from but it could be that women are just kind of raised or encouraged to be the audience and men encouraged to be the joke tellers. >> for me, everyone else out there, can you become funnier? can you become more humorous? i want to be a funnier guy. can i do that? >> you can. i think not only -- that's good news. the better news is so many of the benefits from humor come not from being funny, but from being exposed to humor. studies have shown watching a comedy can make you perform better on intelligence tests and insight tests and watching a comedy can improve your blood pressure, it can improve your

immune system response. i think that it's good to be funny but better to surround yourself with humor. you get a lot of benefits from that which is good for people like you and me just people who are not professional that we don't have to be one to get the benefit. >> that's good news. i'll put it on the list for this weekend. surround myself with humor. not hard to do in my house sometimes. fascinating book. good luck with it. thanks for joining us. >> thank you very much. >> still ahead what you need know about the protein craze. turns out you can have too much of a good thing. we'll explain. narrator: these are the tennis shoes skater kid: whoa narrator: that got torture tested by teenagers and cried out for help. from the surprised designers. who came to the rescue with a brilliant fix male designer: i love it narrator: which created thousands of new customers for the tennis shoes that got torture tested by teenagers. the internet of everything is changing manufacturing.

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good bet that you've heard about the craze for high-protein diets. some of this is not surprising. people have been looking for alternatives to carbohydrates and fat since those have become increasingly vilified. maybe they want to build some muscle. point is, it is hard to miss what's happening with protein.

protein-packed lunches, protein-powered po sasta. even cheerios nowadays come with a little extra proteen. but you need to be careful. protein is good for athletes but more is not better. the average man needs 16 grams, that comes from two hamburger patties. the extra calories from protein get forred as fat. can also stress your kidneys and you can also get enough protein. look, you don't need special protein-added foods to get what you need. mix in extra eggs. you don't even neat meat. grains like quinoa, chia, hemp seeds, they are complete proteins which means they have all the amino acids you need.

broccoli and spinach. broccoli has more protein per calorie than chicken. along with this protein you'll be getting vitamins, fiber and other essentials as well. if you caught our show last weekend you saw that i was reporting from the taj mahal in india. super hot, 130 degrees. 9 1/2 hours ahead of eastern time. just three days after i got back i was on the road again. look, as someone who just passed the 2 million-miler mark, getting over jet lag, it ain't iz. but luckily a research team at the university of michigan -- go blue -- and yale university has developed a free iphone app that loads this complex jet lag conquering model right into your smartphone. type in your current location and your destination and the app gives you a scheduled expo slur to light to reset your internal clock the most efficient way. if you're traveling from new york to london, the app might suggest a regimen that looks something like it this. one of the ph.d students who designed the app says their

schedule takes what could be five or six days of adjusting down to just two. good app for me, maybe a good app for you. that's all the time we've got for sgmb today. "new day" starts right now. rise and shine. it is sunday and we've been waiting for you. i'm christi paul. >> i'm victor blackwell. it is "new day" sunday. we are starting with islamist militants tightening their grip on iraq. >> four towns include a critical gateway. this is a map for a better gauge leer. they also flank a highway that connects syria to baghdad. that's an asset that could aid any effort by militants to lay siege to the iraqi capital. >> iraqi officials