​The process of acceptance of alternative treatments can eventually change them into conventional treatments. What is a historical example of this from 150 years ago?

A) ​Whole-grain diets
B) ​Analgesic drugs
C) ​Surgical treatment
D) ​Massage therapy

The 1964 Surgeon General's report on the dangers of smoking was one of the studies that led to widespread lifestyle changes and lowering of cardiovascular disease rates. The other influential study was

A) the Chattanooga Cardiovascular Prevention Trial.
B) the 1965 Surgeon General's report.
C) the Framingham Heart Study.
D) the Chattanooga Cardiovascular Prevention Trial

Restriction of blood flow to the heart is called ischemia.​

Cardiac and smooth muscle are voluntary types of muscles.