Related by context. Frequent words. (Click for all words.) 68 study 67 Survey 55 Research 55 Studies 55 Study Examines 52 Study Identifies 50 Study Indicates 50 Study Finds 50 Determinants 50 Longitudinal Study 49 Meta Analysis 49 Findings 49 Study Links 49 longitudinal study 49 Study Confirms 49 survey 48 Study Shows 48 Substance Use 48 studies 48 Economic Impacts 48 Stroke Risk 48 Cohort Study 48 Susceptibility 48 Correlates 47 Study Reveals 47 Monitoring 47 Researches 47 Growing Problem 46 STUDY 46 Increases Risk 46 Study Suggests 46 Surveys 46 Researchers Identify 45 Analysis 45 Main Outcome Measures 45 Psychopharmacology 45 Scientists Identify 45 Assessment 45 Report 45 multicenter study 44 Report Cites 44 Evaluation 44 Breast Cancer Risk 44 Multicenter 44 prospective cohort 44 Policy 44 longitudinal studies 44 Eye Disease 44 Reduces Risk 44 Relationship Between 44 Conclusions 43 Zogby Poll 43 Behavior 43 research 43 prospective observational 43 Hormone Therapy 43 Report Finds 43 Differences Between 43 Comparative Study 43 observational study 43 Increased Risk 43 Cost Effectiveness 43 Healthbeat 43 Infant Death 43 Cohort 43 Treatment 43 Studied 43 Prostate Cancer Treatment 42 Improve Quality 42 Gender Gap 42 Socioeconomic 42 Trends 42 meta analysis 42 Poll Reveals 42 Gynecologic Oncology Group 42 Alcohol Dependence 42 Life Expectancy 42 Impacts 42 Outcomes 42 Psychological Bulletin 42 Cochrane Database 42 Researchers Develop 42 Pulse Survey 42 randomized controlled trial 42 Researcher 42 Brain Imaging 42 #:#-# [037] 42 Implications 42 Randomized Trial 42 Insights Into 42 National Longitudinal Survey 42 Breast Cancer Treatment 42 Study Demonstrates 41 Experts Warn 41 Prevalence 41 Affects 41 Experts Urge 41 epidemiological studies 41 Epidemiology 41 Issue Brief 41 Outcomes Study