Wishful thinking

According to the American Association of Cancer Research, the old apple a day thing is so old school.   So is the protective effects of most fruits and vegetables on most cancers.  After telling us in 1997 that a diet rich in fiber and fruits and veggies would protect us from many cancers and heart disease, the scientists are taking it all back.  Those Big Macs are not bad for you after all!  NOT.  Of course, the methodology now says that some of the earlier studies were skewed by people who eat lots of vegetables.  These "health nuts" are probably thinner and healthier than the average and less prone to disease.   It would be interesting to follow cohorts whose average income was substantially higher and lower than the median and monitor their health outcomes.   Is a diet rich in fresh foods an indicator of higher income which also confers better health care?  Obesity has been proven to be a fertile ground for all sorts of health problems and fat people eat less fruits and vegetables than their thinner counterparts.   I guess you can argue endlessly about causation, but I think I will continue to pound the fruits and veggies and hope for the best.