our profound thanks to pat and nan nan nancy, everyone at live on new york, and the team at nyu langonal center. we'll be right back. >> this special edition of "nightline" is brought to you by volkswagen. lemonheads/schoolhouse rock) zero really can be a hero. get zero down, zero deposit, zero due at signing, and zero first month's payment on select volkswagen models. right now at the volkswagen sign then drive event. does your child need help with digestive balance? try align junior probiotic. so she can have a fraction dominating... status updating... hello-yellow-belt kind of day. get 24/7 digestive support with align junior. the #1 doctor recommended probiotic brand, now for kids. that's charmin ultra strong, remidude. cleans so well... ...it keeps your underwear cleaner. (secretly) so clean... you could wear them a second day. tell me i did not just hear that! (sheepishly) i said you could... not that you would! ...charmin ultra strong with its washcloth-like texture, helps clean better than the leading flat-textured bargain brand. it's 4 times stronger, and you can use less. it

stephen ross directs addiction studies at nyu langone medical center and led the study. >> the idea was that drugs which were known to induce spiritual or these unusual mystical states of consciousness might help people who were having this domain of distress. >> reporter: bazer took the medication in this treatment room with therapists present for support. during the session she saw her fear inside her body. >> and as soon as i visualized the fear i became furious. in my mind i screamed, "who the hell do you think you are? i won't be eaten alive." from that moment the fear was gone. >> you took control. >> i took control. and it was gone. >> reporter: the nyu study, and a second one at johns hopkins, followed a total of 80 patients dose of psilocybin. there was lasting reduction of anxiety and depression in 60% to 80% of the patients. >> i began to feel the most amazing love i have ever felt. i think my brain was rewired a little bit, and that love that i felt has done very well, very good things for me. >> reporter: there were no serious side effects. though encouraging, these results

harmony reynolds of nyu langone medical center has studied this underrecognized condition which occursainly in older women, many of whom have no obvious preexisting heart disease. >> this is a heart attack syndrome that unlike typical heart attack occurs with the arteries completely open. and the area of the heart that's affected is quite large, but if people survive the event it all goes away. >> reporter: symptoms can resemble a heart tack, including chest pain and shortness of breath, but may be subtle, causing women to delay >> we don't necessarily understand why an emotional connection exists, but we know that the brain and the heart are closely connected. you can die of heartbreak. but exactly how that happens and exactly why, we don't know. >> reporter: most people fully recover, but death can occur from problems like heart failure or an irregular heartbeat. in addition, a blood clot in the heart can travel to the brain, causing a stroke. >> any idea how common this is? >> it's probably relatively uncommon but nobody knows exactly how common it is because it's probably been flyi

somebody posted this video to twitter showing flames shooting from a building at nyu's langone medical center. streets were shut down as officials investigated. we're told the building's under construction. investigators aren't sure what sparked the fire but they say it started on the seventh floor. no one was hurt. >>> the sandy hook community is pausing to take stock and to honor the victims from the day that barack obama has called the worst day of his presidency. flags in newtown, connecticut, are at half-staff today. it was on this day in 2012 that a gunman killed his mother and then shot his way into san day hook elementary school. he killed 20 first graders and 6 them. the school was eventually torn down and a new school built on the same site opened in august. >>> now to an armed robbery and a rather unusual location. tonight, a man is in critical condition after a shooting at a construction site. it happened in broad daylight at a site just off danville road in brandywine, maryland. that's where pat collins is right now. pat? >> reporter: jim, i might be wrong, but i bet you c