In 2023, after suffering a health scare, Margolyes underwent a procedure called transcatheter aortic valve replacement, replacing her heart valve with one from a cow.
According to the new research in Nature Aging, life expectancy rates have been increasing but are now starting to plateau. The study analyzed data from various countries known for longevity, revealing that while life expectancies have risen, the rate of increase is slowing down, indicating we may be nearing the biological limits of human lifespan.