So many cooking oils—how do you decide what to buy?

Avocado and flaxseed. Sunflower and pumpkin seed. A dizzying array of oils have flooded the market recently, each rumored to carry health benefits. Coconut oil is billed as a treatment for everything from eczema to Alzheimer's. Sunflower oil may strengthen the immune system. What's a health-conscious eater to do?

In the Spring/Summer issue of Johns Hopkins Health Review, dietitian Linda Bunyard of the Johns Hopkins Weight Management Center offers some good advice. Read what she has to say in the magazine's Survey section.