> great to be here. thank you. >> i know you are one of those voices urging caution here in the wake of this study. so what are some of the red flags for you? >> well, the biggest point of caution is the way this study was conducted that you're referring to in the journal "lancet" is that it was a so-called secondary analysis, or a pooled analysis where they combine the results from a bunch of other studies that were done for other reasons. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies."> > great to be here. thank you. >> i know you are one of those voices urging caution here in the wake of this study. so what are some of the red flags for you? >> well, the biggest point of caution is the way this study was conducted that you're referring to in the journal "lancet" is that it was a so-called secondary analysis, or a pooled analysis where they combine the results from a bunch of other studies that were done for other reasons. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies." property="og:description"> > great to be here. thank you. >> i know you are one of those voices urging caution here in the wake of this study. so what are some of the red flags for you? >> well, the biggest point of caution is the way this study was conducted that you're referring to in the journal "lancet" is that it was a so-called secondary analysis, or a pooled analysis where they combine the results from a bunch of other studies that were done for other reasons. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">