Are there any disease prevention measures from early times that are still in use today? Why do you think some preventive measures from the past were discarded?

Answer 1

You'll find some of your information here.

http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS328&q=ancient+disease+prevention+&aq=f&oq=

Answer 2

What measures for disease prevention that were used historically should be used today? Why do you think some were discarded as preventive measures?