>> alison, basically what it is, is when you suffer the loss of someone you get depressed you have the stress and depression, you've always heard of mres passes away and then a month later his wife dies and you say oh, my goodness she died from a broken heart well, science has shown that she probably suffered from depression, which increased her risk of having a heart attack that is well known in literature now what is exciting alison is there is a new blood test that might be able to diagnose you with depression. it is really kind of cool stuff. >> that is so interesting okay. now this depression you said can some times lead to a heart attack, am i linking that in together? how serious then would depression be in this case? >> well, depression -- many people thing of depression as something that they might want to live with, or in the worst case scenario someone takes their own life but depression can have significant effects on other bodily parts like the heart, all right. valentines weekend i brought my heart with me basically, the heart can be effected by depression because depression causes we thing the platelets these are the l