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STUDY: Vegetable oils may be worse for your health than butter

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(CBS News) — Do you reach for the vegetable -based spread instead of the butter just to cut back on fats?

Researchers say that might not be the best option, and in fact, it could be more of a health risk.

A study in the British Medical Journal followed heart patients who replaced butter with vegetable-based oil  and margarines that use safflower.

Researchers found those patients actually had a higher risk of death.  Doctors say the results could change future dietary guidelines.