. >> reporter: believing that bebevioral changes weree caused by trauma to his brain, dr. omalu performed webster's extensive autopsy. everybody was talking about how he did not do so well after football. i had to provide an explanation for that. >> reporter: he analyzed webster's brain and uncovered a new medical condition. that's when he called it cte and weechbtly told my ly recently told my colleague brian pitts about his findings. >> the most sigigficant contributory factor to ct sechlt exposure to blunt force trauma of the head. >> are we talking like gentle slaps to the head? >> violent slaps that would make your brain move forward and backwa, sideways in your skull, causing shearing injuries. >> you have to think about hits to the head like we think about smoking and lung cancer. you start young enough, you're going to open up the door to lung cancer, just like if you get hid in the head thousands of time every year while your brain is still developing you're opening up the door to cte. >> reporter: today more professional athletes are not as afraid to speak out ab

parents continue to bring their childrenn for blood testing, bebevioral issues. >> it's just a bad situation. we just worry. >> reporter: 34 members of the e.p.a. are on the ground conducting tests at homes with the highest lead levels. scott, today officials announced they want every child in flint under six years old tested for lead by april 1st. >> pelley: adriana diaz. adriana, thanks. well, there was quite a scene on capitol hill today. martin shkreli was there, the former drug company executive who became a poster boy for price gouging. he was later arrestedd on unrelateed fraud charges. members wanted to ask him about drug prices. >> on the advice of counsel, i invoke my fifth amendment privilege. i invoke my fifth amendment privilege. i invoke my fifth amendment privilege against self-incrimination and respectfully decline to answer youruestion. >> pelley: his space spoke volumes. faces of people who could not get the drugs they need, and i truly belieie... are you listening? >> yes. >> thank you. i truly believe you could become a force of tremendous good. there are so many people t

if you develop an alleleic reaction, a sesere rash, or signs of unusual bebevior, stop taking tamifluu d call your doctor immediately. children and adolescents in particular may be at an increased risk of seizures, confusion, or abnormal behavior. the most common side effects are mild to moderate nausea and vomiting. anti-flu? go antiviral >>> in southern california, a driver was crushed and killed when a transformer fell on to his pickuptruck. police say he was distracted as he passed by another accident, lost control of his truck and smashed into a utility pole. two other transformers also came down causing a major power outage in the area. >>> also in california, federal investigators now say corrosion along the exterior of a pipeline is the cause of that massive oil spill off the coast off santa barbara last year.. preliminary f fdings indicate that the oil b ban gushing from a two-foot section of pipe. after pumps were shut down and restarted. those findings also note that the spill dumped nearly 143,000 gallons, that's much more than the original estimate of 100,000. >>> hollywoo