Hand washing can reduce risk of catching a cold ; not as helpful against H1N1 . H1N1 virus not stable on hand ; instead it thrives in droplets of water . ` There are studies that show hand washing Comment: Regardless , washing hands `` really is wonderful '' for preventing many diseases .
Hand washing can reduce risk of catching a cold ; not as helpful against H1N1 . H1N1 virus not stable on hand ; instead it thrives in droplets of water . Comment: Regardless , washing hands `` really is wonderful '' for preventing many diseases .