Dna Particles News Today

>> greta: is a bag, generally like a knapsack or something, a gym bag, can it be sort of like a mop or sponge and absorb, like, dna particles so you could extract dna from it for a future comparison? is that possible? >> you can certainly extract dna as long as people handle it without gloves, and it picks up a record by where youve been by the dust it contains. the analogy you used at the outset was a sponge. absolutely its a sponge. thats why we examine clothing in these cases to figure out wh...

To be cancer. megyn: how would you take the blood test? >> starting at age 30, women could go once a year for a blood test. they look for dna particles the tumor makes. megyn: isnt there a risk with mammograms? >> a slight radiation risk but it gives you a false sense of security. she comes back in a year and there is a big tumor there. it takes eight years for a lesion to show up on the mammogram. megyn: the blood test would kick in instantly? >> there are a certain series of genes associated w...