Castro says that closing the toilet lid before flushing should decrease the radius of aerosol plumes and minimize the likelihood of particles reaching respiratory zones, but it has not been proven. To ...

In fact, Consumer Reports' most recent toilet tests name two $100 WaterSense models as CR Best Buys. By law, all toilets made since 1995 must use no more than 1.6 gallons per flush. Toilets that ...