https://wstwinregistry.org/2026/04/01/genetic-and-environmental-effects-on-weight-gain-from-young-adulthood-to-old-age-and-its-association-with-body-mass-index-in-early-young-adulthood-an-individual-based-pooled-analysis-of-16-twin-cohor/ 2026-05-26T15:37:33+00:00 monthly 0.2