Weight gain and drinking rise together, twin study finds shared genetic roots

A 36-year study of twins reveals that changes in body mass and alcohol consumption are driven by overlapping genetic and environmental factors, not separate causes. The finding could reshape how health insurers, employers, and public health agencies approach prevention—suggesting interventions targeting one behavior may inadvertently affect the other.

Originaltitel: Genetic and environmental factors underlying parallel changes in body mass index and alcohol consumption: a 36-year longitudinal study of adult twins