tell us what red tide does to people potentially? >> there has been read tide across the west coast of florid and they produce various neurotoxins that people and tha by getting stinging in the eyes and sometimes respiratory distress. sometimes they poison shellfish. we have looked at other types o harmful blooms and found that they have a toxin that not only causes a cancer, but also can cause als. that is something we are monitoring very closely with th in lake okeechobee, florida. >> there is a consensus that al has to be one of the scariest diseases that people get, so anything that could cause it it would seem likes would set off alarm bells and people would be completely freaked out about it. i don't get this sense that the