Drug abuse by americans aged 60 years and older has been referred to as

The answer to this question is invisible epidemic. The drug abuse by the people in the America whose age is 60 years and older has been referred to as invisible epidemic. Invisible epidemic is defined as an under-appreciated cause of poverty and hinders the economic development of many countries.

Yes, it is possible to know the history from sources like pottery and metal vessels because they give us the information. Like design, composition, baking, moulding, glazing gives us the information about the period they were made in, who were the people to make it and their style of living.