The OECD's 'Health at a Glance 2019' provides a comprehensive overview of health indicators across member countries, highlighting key areas such as health spending, patient outcomes, and access to care. It reveals trends in health status, risk factors, and healthcare quality, with findings indicating slower gains in life expectancy and disparities in health outcomes among different countries. The report also discusses the impact of factors such as opioid use, smoking, and healthcare coverage on overall public health.