Hand soap vs. hand sanitizer
Last week in two of my classes we had a big discussion on hand washing vs. using hand sanitizer. There was a story on Good Morning America about this which I went searching for this weekend. Both classes the participants insisted hand sanitizer was the best way to go, but some parents are concerned about accidental (or otherwise) ingestion of hand sanitizer by their kids. So what method is the best way to prevent the spread of germs? The study recommended good hand washing. Good hand washing techniques wash germs away. It doesn't kill germs, just washes them down the drain. It really doesn't matter if you use regular soap or antibacterial soap. The study done at the University of Maryland demonstrated that use of antibacterial soap did not do a significantly better job than just hand soap. What made the difference with hand washing was the technique used. Wash for at least 20 seconds or more. Statistically they found that most people just do a quick rinse. It is the...