"We are the only mammal on the planet that is left our food out of the equation of selecting food," she says. "When you alter food in any way, everything's up for grabs." 'I have seen children dying of water born diseases and thousands die every day,' adds Ms O'Brien. "'It's how is that happening? It's not ok. If it's not ok, can we do something about it?' We need to solve that problem,'" she concludes.