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From the University of California, at Davis, this is NewsWatch.
Internationally known nutrition researcher, Judith Stern, has spent a lifetime examining
why people gain weight.
This UC Davis scientist has just written a new book on the subject, where she says, our
genetics load the gun and our environment pulls the trigger.
The way we catgorize obesity is something called the body mass index. It is your weight
in relation to your height. So very obese people have a body mass of 40 or more.
So are Americans overly concerned about their weight?
I think they are overly concerned and especially women. Men, not so much because our standard
of beauty are looking at women who are very thin.
Stern says consumers are confused when they read labels on food products and drink beverages.
For example, what is the difference between portion size and serving size?
If you look at these two items, this is 12 ounces, and this is 16. You look at the portion size,
this is one portion, and this is one portion. How can that be? So our government has said if you consume it all at once, it's one portion. 12 ounces is one portion, and 16 ounces is one portion
Stern says the portion and serving sizes often don't match on food and beverage labels adding
to the confusion. Paul Pfotenhauer, reporting from UC Davis.