Women’s cells show the hallmark signs of ageing in early adulthood, whereas this tends to only occur in men from age 40, according to new research.
Michael Ben Ezra at the University of Copenhagen’s Center for Healthy Aging and his colleagues used machine learning to analyse 33 million biopsy reports taken from more than 4.9 million individuals, ranging from newborn babies to people who were more than 100 years old, between 1970 and 2018. Transgender …