This book demonstrates that a pandemic of coronary heart disease occurred in North America, western and northern Europe, and Australia and New Zealand from the 1930s to about 2000. At its peak it caused more deaths than any other disease. The book examines and compares trends in coronary heart disease mortality rates for individual countries. The most detailed analyses are for the United States, where mortality rates are examined for race, sex, and age groups and for geographic regions. Popular explanations for the rise and fall of coronary heart disease mortality rates are examined.