Study: Two-thirds of men don't wash after using bathroom

We ve heard a lot recently about proper hand washing

How a good scrub of warm soapy water can help ward off illnesses like the flu

But when researchers in England monitored a quarter million people in public bathrooms they found only 64-percent of women used soap when washing their hands

Men left the loo much dirtier with only a third using soap and water

The study also experimented with electronic reminders that would flash on in the bathrooms encouraging hand washing

The reminder that was most effective asked patrons this question is the person next to you washing with soap -- giving the study subjects the impression they were being watched