Household hand washing with soap reduced diarrhea illnesses by about 50%, according to study conducted in Karachi, Pakistan, by Procter & Gamble and the U.S. Centers for Disease Control and Prevention (CDC). Regular soap and antibacterial soap were distributed. Without proper washing, 10% of children in such camps die before age five and 40% of those deaths are caused by diarrhea, said the CDC’s Dr. Stephen Luby. Hand washing with regular soap markedly prevented diarrhea among malnourished ...