Over the past two years, the African countries of Congo and Equatorial Guinea have joined OPEC. One analyst says, Qatar's departure will reduce OPEC's oil production to where it was before the two new members signed up.
And that`s the single biggest factor in gasoline prices in the U.S. Though they stalled a bit this week, they`ve been rising since January and OPEC is part of the reason why.
As Dr. Spector questioned these food myths, he remembered an earlier study involving identical twins, pairs of brothers or sisters with the same genes.