Global life expectancy rose by 6.2 years over the period 1990 to 2021, despite declining between 2019 and 2021 due to the coronavirus pandemic, a research group at the University of Washington reports in The Lancet. Covid-19 is listed as the second-most frequent cause of death in 2021 by the group, led by Simon Hay of the Institute for Health Metrics and Evaluation (IHME) at the university in Seattle. The most common causes of death in the period 1990 to 2019 were in declining order: coronary heart disease, stroke, chronic obstructive pulmonary disease and infections of the lower respiratory t…