DR. ROIZEN

Cutting fat lessens risk of cancer, heart disease

Oil vey

If you’re a fan of croissants, buttery, grilled cheese sandwiches, and creamy, dairy-soaked mashed potatoes, it might be time to give up butter and other over-the-top dairy fats for better health. A study published in JAMA Internal Medicine looked at 30 years’ worth of data on 200,000 folks and concluded that substituting canola, olive and soybean oils for around a tablespoon of butter a da…