study was subject to a number of major methodological flaws. Many of their claims pertain to the role of infant mortality …. I show that infant mortality was not an important determinant of the growth in U.S. life expectancy during the period … that I studied, and that my estimates are completely insensitive to the inclusion or exclusion of infant mortality …

myeloma mortality rate using longitudinal country-level data on 26 countries during the period 2005-2009. Countries that had … larger increases in the number of chemotherapy regimens had larger subsequent declines in myeloma mortality rates …, controlling for other factors. The estimates imply that chemotherapy innovation reduced the age-adjusted myeloma cancer mortality …