What is better; glass or plastic drinking glasses?

ANSWER:  Everything always depends on the circumstances.  If you are at home on a normal basis, glass is a clear choice.  If however, you are somewhere away from home and not sure about the hygiene conditions, I would always opt for plastic drinking glasses.  You cannot tell how or even whether, the glasses have been washed.  As you can see, you are not able to determine what has happened to the glasses prior to your arrival.  For assurance, it would probably be a good idea to have some plastic glasses on hand for use, straight out of the packet, you can be sure it’s never been used.