Key points from article :
Eating 2 servings of walnuts a week, linked with greater chance of being a "healthy ager".
4-year-long study from ~34,000 women in late 50s and early 60s conducted.
Looking for links between nut consumption and healthy ageing.
Walnuts, recently found to support gut and heart health as well.
Future research needed to see if results translate to men also.
Research from Nurses' Health Study, published in Journal of Aging Research.
