history: In which english county is the site of the battle of Edgehill?

Questions

According to the ancient Chinese, swinging your arms cures ---------- pain.?

---------- was first used as a medical treatment in 2700 B.C. by Chinese emperor Shen-Nung.?

Almost ---------- million pounds of medical trash is generated each day in the U.S.?

Americans use over ---------- tons of aspirin a year.?

During one four-year period, Thomas Edison obtained ---------- patents, or one every five days.?