This is true!
The method was to write the question that people wanted answered, for example about the future weather or success or failure in a war, on a bone and then throw this bone into a fire.
The answer would be interpreted from the cracks on the bone.
One of the effect of the increase in leisure time is the development of public places that built for the people who wanted to enjoy their leisure time, such as library, public parks, coffee shops, etc
"If they are used ocassionally, antiacids don't produce any risk. But used daily, they can cause a "rebound" reaction: heartburn pain can actually worsen and some people experience diarrhea or constipation from certain antiacids."