live from the kgo-tv broadcast center this is abc7 news. with the $3 million contract and a hot rookie season under his belt a 49ers most promising young stars is walking away from football. chris borland is retiring at age of 24. >> good morning i am kristen sze. >> he said he is giving it up after one year in the nfl because he is concerned about his health and the chance of a concussion. >> his decision is the talk of the sports world. we are joined with the story. his fans are shocked but this is something he has been thinking about for quite some time. >> chris borland a standout rookie on the san francisco 49ers was expected to be a

key 20ive player next season. but the 24-year-old linebacker has decided to put the brakes on his career. he is retiring after just one year. he told espn he is worried about head injuries and the long-term effect of repeated concussions and told espn from what i have elevenned and what i have experienced, i don't think it is worth the risk. >> a doctor who specializes in brain injuries at santa clara valley medical center explains what can happen to athletes with a history of multiple concussions. >> changes in memory personality cognition, early dementia. >> short term affects include headaches and trouble concentrating. >> the majority of athletes will get better but there is a small population where they are longer lasting and a big effort new to increase education and awareness of what are the symptoms for those who have had a concussion and what to watch out for.

>> the general manager wished bore lap well in a statement. part of it reads "while unexpected we respect chris' decision. chris is a determined young man that evercame long odds in his journey to the missile and we are confident he will use this same approach to be very successful in future endeavours." he plans to go back-to-school and says he might even consider a career if sports management. >> many in the sports world are quick to react and 49ers legend jerry rice creates "chris bore planned i commend you on roar decision. when i played we didn't have the research. ing game is so much safer now." >> "sports illustrated" writer tweeted "look at number of early retirees this month you better believe that people are think thinking."

one had a brain disease blamed on years of tough hits when he took his own life in 2012. we are getting a lot of reaction mostly viewers this support of his decision. students at a san jose high school are wearing black today to mourn for a student who died during track practice. amy hollyfield is at leland high school. yes kristen 16-year-old wynn is described as a good person and a generous person. students at lohan high school showed up for class today wearing all black as they mourn the loss of a classmate who passed away yesterday afternoon. >> last night on social media we decided to commemorate him and honor him and his family by wearing black and showing

respect. >> school official say 16-year-old was at track practice when he collapsed on the field. >> they immediately performed cpr on the student while the school was calling 9-1-1. he died at high school. >> crisis counselors have been called in to help everyone deal with the loss. >> this is difficult not just for students but for staff members too. teachers develop relationships with the students and he was a very well leaked student, a good student, and a good athlete from what i understand. it is a very sad and difficult time on the campus today. >> the principal is visiting each of his classes to personal inform the students of his death. >> everyone knows he was kind sweet and thoughtful and generous and always in the of other people. >> at this point, officials have not said why tristen died.

san francisco firefighters discovered an illegal marijuana grow in the bayview district this morning with bags of pot plants outside the home on lane street a few blocks from a police station. firefighters alerted police after seeing marijuana plots in the window of the home. they went to the house after getting a report of electrical wires that were arcing and there was special equipment to grow marijuana. >> in half hand hour the public defender will tack about the expanding e-mail scandal in the city's police department saying he is concerned about previous cases involving four officers suspected of sending racist and homophobic text. one was investigated after being caught on tape six years ago arresting and threatening a skate perioder on video. the text was released by the federal prosecutors in a case of an officer convicted of

corruption. >> there is a growing problem from the growing economy with legislation that will require contractors show a reasonable parking plan before they can receive an onstreet parking permit. the problem is that a lot of people are doing construction and that has translate interested a lot of trucks taking up scarce parking lots in the residential neighborhoods. they want to make sure the contractor could not waste spaces. >> a former united states air force mechanic has been charged with trying to cross interest syria to join the islamic terrorist group isis. he was indicted in new york yesterday. officials say he tried to destroy four film drives days leading up to his arrest. the director of the secret service joseph clancy delivered stunning testimony he did not learn of a drunken incident involving agents until day after it happened. this is the latest incident for a trouble agency responsible for protecting the president.

matt keller has more on the growing outrage over the misconduct. >> clancy hasn't been the director for long not even six months but lawmakers were not easy on him because he is new on the job. >> he faced the music at a house of representatives appropriations committee. two special agents drove through a barricade during an active bomb investigation after attending a party and he was not notified for five difficulties. >> you are in charge. >> yes. >> this is a remember with administration. why did you not get word from your subordinates about the incident for five or six days? >> it will take time to change that of this culture. there is no excuse for this information not to come up with the chain. >> it is the latest to plague

the secret service. last year a man with a knife came the fence at white house and was able to make it automatic the way to east room before the agents arrested him. a now days before that a security contractor operate an el cerrito at the centers for disease control in atlanta was carrying a gun when the president stepped in. in 2012 the secret service was rocked by alleges that agents property prostitutes to a hotel in colombia where they prepared for a visit by president obama. the director conceded the latestallieses of misconduct are the first test as he tried to chart a new course for the service. >> it break my heart to think again that one of the agencies that has been a ledge old among the american people in the last six years has just again down. >> the president and first family are safe. >> the investigation into the latest incident has been turned over to the homeland security

department inspector general. the two agent are reassigned until the investigation is complete. coming up britain's prescription harry is quitting the military. what he plans to do next. >> would you buy what they sold? >> meteorologist mike nicco is coming up with the accweather forecast and the

millionaire robert durst's torn said his client's arrest is based on tv ratings, not facts. he faces additional charges after the weekend arrest. the 71-year-old was taken into custody at a marriott hotel accuses of killing his friend alumni at uc berkeley susan berman. a hbo documentary features him admitting to the murder but the attorney said his client did not kill berman saying this is an arrest based on the tv show. [ inaudible ] >> scary moment for passengers on the united flight. moments after taking off the plane en route to denver returned to dulles. the man was screaming jihad as he ran to the cockpit. several people were seen

tackling the man taken to a hospital for a mental evaluation. the other passengers were reeboked on other flights this morning. a pair of royal visitors in washington, prince charles and his wife are set to aside at andrews air force base tonight coming to the capitol for a three day visit of culture and visiting several education sites including george washington's historic mount vernon in virginia and will meet with president obama and vice president joe biden. >> speaking of the royals prince harry is hanging up the military uniform, the 4th in line to the program is retiring in june from the military after serving a decade completing two tours in afghanistan. he will spend the last two months stationed in australia. after that the 30-year-old will help wounded soldiers in the u.k. >> and matthew mcconaughey teamed up with jimmy kimmel to help a struggling small

business. >> there is a better way. >> yes, that is matthew mcconaughey in a tv commercial in austin for a film festival. before heading to texas jimmy kimmel looked for a local business that may want to produce a commercial. and the video still rents vhs. >> you can catch jimmy kimmel at 11:35 right after abc7 news at 11 o'clock. >> how many kids do you think still have a vhs? >> some places. >> lacks like a video from college that i put together. >> good morning are everyone in the top of the broadcast center you can see the sun is coming out and that means a warming trend is on the way and we could touch 88. i will tell you what day before spring arrives and cooler weather comes back into the forecast.

>> stress tests: are they necessary or a waste of money? >> is it all in your head what your brain can tell you about the love you feel in your

(scal): good day, m'lady! i am sir-can-a-lot, here to save you from another breakfast bore. wake up those eggs with glorious spam! see what spam can! do... at spam.com >> covering daly city dublin, los gatos and all the bay area this is abc7 news. former astronaut buzz aldrin took a picture in england, of himself with the structure looking up to the sky and in a superman pose wearing a special t-shirt one of the first to walk in the moon is hoping to get

support to establish a manned settlement on the red planet. >> but they don't have st. patrick's day on mars. >> not yet. >> we do here and it would not be the day without the green chicago river with the traditional dye held on saturday ahead of the irish parade. they put dye in the river and you can watch it turn green in a few minutes. this shows a great bird's eye view of the fund and nothing in there to harmony living critter. >> the white house got support irish spirit dying the fountain green which started in 2009 when the first lady, a chicago native, decided to bring a version of her city's tradition to the nation's capital. >> lovely grown right there and green necklace. who is st. patrick? >> he took on the name patrick when he became a priest.

>> the average amount people spend is over $36 a person totaling $4.6 billion according to the national retail federation. >> if it seems if irish beer is everywhere, it is. >> i had green eggs and hams for breakfast. >> you did not! >> with dr. seusss as your guest? >> absolutely. very delightful. >> good morning, everyone a couple of thing about today are different than yesterday it is much brit are out here. the wind too, have changed and they are blowing in the dry air and the sun and a warm trend offer the next couple of days. but first, the winds and see where the fastest winds are, around sfo at 23 miles per hour,

and half moon bay is 15, and ten in mountain view and mostly blowing along the coast and a little bit on shore and our temperature today is close to yesterday and you can see the clearing taking place from north to south chasing away the low cloud and, also, one of the areas last seen with total sunshine is the south bay, and san jose is ever so close to finishing that and the golden gate bridge is gorgeous and picture perfect with winds from the west at 10 or 15 miles per hour so there is a cross wind. mostly sunny this st. patrick's day and a warming trend today through thursday and the equinox is friday with cooler weather on the way. in the east bay hills it is hazy and some of that is atributed to extra moisture and a lot of tree pollen including mulberry and pine and sycamore are the major players. i will show you the highs by the

microclimate. milpitas is 70, and 75 in gilroy and sunshine in santa cruz and 71 at the boardwalk. we will have 72 at los altos and 68 in milbrae and low-to-mid 60s along the coast today and downtown san francisco is about 67 and same in sausalito and 68 in petaluma to 72 in napa and the range in the valleys and upper 60 to low 70s along the east bay shore line with oakland and castro valley 71, and walnut creek is 71 to 75 inland east bay neighborhoods. now look at the temperatures tomorrow the window on the last couple of nights? well, tonight is cooler by ten degrees. here is a look at the high clouds rolling on by, and high pressure is building with the jet stream steering everything to the north we have no rain or

snow ahead. look how paltry the snow pack is only 13 percent of where it should be for this time of the year. warmest by thursday mid-to-upper 60 at the coast and around 80 bay inland. spring on friday a dry cold front brings the temperatures back down into the low-to-mid 60 at the coast and low-to-mid 70s for bay and inland holding steady through the weekend into next week. have a great and safe st. patrick's day. >> this morning a national doctors' group said the stress test you may have received may have been a waste of time and money. express tests are often overprescribed in healthy patients and can even lead to potential harm. false positives come with additional costly follow-up tests and procedures that carry their own risk. rather than a stress take healthy patients without symptoms of heart disease should focus open eating right and getting a lot of exercise.

>> can a doctor tell you if you are in love? a new study said when are smitten it is in your head not your heart. this is your brain. this is your brain on love. researchers say when you are in love your brain looks different than when you are not, and it has to do with a small region called the reward center activated wren you do things that make you happy, and maybe one day rather than lie detector we will have love detectors testing how true your love is with a quick scan. >> i don't need a brain scan. >> you want to hear it out loud. >> it could save the world. >> ing in says i love you like an m.r.i. in the journey of frontiers and neuroscience. >> the treadmill work out that could get you off the couch and to the

the world is filled with air. but for people with copd sometimes breathing air can be difficult. if you have copd, ask your doctor about once-daily anoro ellipta. it helps people with copd breathe better for a full 24hours. anoro ellipta is the first fda-approved product containing two long-acting bronchodilators in one inhaler. anoro is not for asthma. anoro contains a type of medicine that increases risk of death in people with asthma. it is not known if this risk is increased in copd. anoro won't replace rescue inhalers for sudden copd symptoms and should not be used more than once a day. tell your doctor if you have a heart condition, or high blood pressure. tell your doctor if you have glaucoma, prostate or bladder problems, or problems passing urine as anoro may make these problems worse. call your doctor right away if you have worsened breathing chest pain, swelling of your mouth or tongue,

problems urinating or eye problems including vision changes or eye pain while taking anoro. nothing can reverse copd. the world is filled with air and anoro is helping people with copd breath air better. get your first prescription free at anoro.com. >> coming up, coffee and conversation. you may notice something center on your starbucks coffee cup and what they are asking the baristas to talk about with customers. >> on abc7 at 5:00 crossing state lines the important move california community colleges took need to make it easier for

students to attend historically black colleges. >> if you need motivation to get on the treadmill today, this could be it. >> that will get you moving, right? that is bruno mars getting down to "work out funk." >> it look like he had some serious skills there when he is moving around and not holding on. >> i see us flying off the treadmill. thank you for kinking us.

[cheers and applause] [dramatic music] ♪ ♪ >> yeah! yeah! yeah! yeah! whoo! [cheers and applause] whoo! hello, and welcome to millionaire. i'm terry crews. some of you might know me from brooklyn nine-nine and i am lucky enough to also be here hosting millionaire. [cheers and applause] today's returning contestant is a flight attendant who is flying high and back for her second leg of her trip here at millionaire. please fasten your seat belts. she's only 4 questions away from round 2. from houston, texas, please welcome allie santiago. [cheers and applause] >> hey! >> hi, allie. come on over here. how you doing? >> i'm d