1968 in former east pakistan, now bangladesh. i had an epiphany in which i still remember, i felt a chill down my spine, follow the basic rule of replacing the losses with equal volumes of a matching, but absorbable solution, with glucose. you meet many people who they say, oh, it saved my little child's life, it saved my brother's life, and that's one of the most gratifying things to see that it has gone through the stage of clinical research and reached the very people we wanted it to reach, the mothers of infants with diarrhea in the developing world. >> and i'll tell you, i have seen firsthand what that simple solution can do all over the world. it's absolutely amazing stuff. going to check on your top stories just minutes away. but coming up next, tricks for beating those seasonal allergies. ♪