What is the branch of psychology that investigates the relationships between psychological variables and health?

Which of the following techniques could be described as "massing?"

A) Studying for a test by breaking up your lecture notes into sections and mastering each section before moving on to the next. B) Studying for a chapter test by reading through the entire chapter before going back to the beginning and starting over again. C) Studying each flash card in a large pile before starting over again. D) A football player learning the playbook by reviewing each play once before starting over again.

One example where the U.S. interest in international drug control has conflicted with national security issues is

A. opium growing in Afghanistan. B. coca growing in Peru. C. marijuana growing in China. D. MDMA (ecstasy) smuggling in Europe.