It is a little known fact that people who were brought up around OH and PA deal with a lack of iodine which causes a higher rate of thryoid goiter and weight gain problems.
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http://www.lewis-clark.org/content/content-article.asp?ArticleID=730 On the way down the Ohio River in September of 1803, Meriwether Lewis was told of "some instances of goitre in the neighbourhood" of today's Washington County, Ohio, among people who had emigrated from lower Pennsylvania.
Goiter is a painless but disfiguring enlargement of both lobes of the thyroid gland, caused by absence of sufficient iodine to produce hormones. The thyroid glands enlarge themselves in an effort to compensate for the lack of iodine. The side effects are various and often profound.
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My family is from that area and my Mother's family, including me, had a lot of problems with weight because of this. Everyone in the family ate the same thing, but a few of them would have the goiter and thyroid issues that brought with it weight management problems. One of the main things that a person, like myself, has to avoid is STRESS! Two of my sons have been to Iraq 1 and 2 and may go again, and one of my sons' has MS but didn't have insurance and was in his 30's with no under age children so my husband, his step-father, and I had to take care of him for 2 years and almost went bankrupt. I believe that your scenerio is correct! There are a good amount of people who are depressed and stressed out because of this economy and along with their health issues their body is tipped over to gain more weight then they would normally.