for further study to see if we give one great the beta blocker and one group doesn't get the beta belo beloki. that's the real science and a tool that we can use. >> excellent point brought up and i'm glad. we need a more prospective study to really find out what's going on and going back to the first top take we were talking about, imagine we would have the liquid biopsy for ovarian cancer and can you catch these patients eight months to a year before that actually can me fast size, it's tremendous, but i think your point is very important, and people should not say, hey, i should go on these beta blockers because it's just an interesting finding, but we need a longer and bigger group to study. >> we'll waited for that. >> well, you know, talked a lot on this program about low vitamin d levels and now there's questions as to whether that's connected to multiple sclerosis. we'll take a look at a new study. and have you seen a new federal report that says school lunches are becoming more healthier. what are kids eating, what should they eat and why are we told they are eating better? why do so