You may want to start monitoring your couch potato-ness as a new study suggests that sitting around watching TV and not doing any physical activity as a young adult may cause a decline in brain functioning even earlier than scientists had thought. Watching a lot of TV and having a low physical activity level as a young adult were associated with worse cognitive function 25 years later in midlife according to the study. Tina D. Hoang of the Northern California Institute for Research and Education Kristine Yaffe of the University of California San Francisco and coauthors examined associations between 25-year patterns of
