1) National, Regional, and Global Trends in Systolic Blood Pressure Since 1980: Systematic Analysis of Health Examination Surveys and Epidemiological Studies With 786 Country-Years and 5.4 Million Participants 2) National, Regional, and Global Trends in Serum Total Cholesterol Since 1980: Systematic Analysis of Health Examination Surveys and Epidemiological Studies With 321 Country-Years and 3.0 Million Participants 3) National, Regional, and Global Trends in Body-Mass Index Since 1980: Systematic Analysis of Health Examination Surveys and Epidemiological Studies With 960 Country-Years and 9.1 Million Participants

Study Questions:

What has been the worldwide trend in data for blood pressure (BP), cholesterol, and body mass index (BMI); how does each relate to changes in dietary, lifestyle, and pharmacological determinants; and to what degree do national and regional programs differ?