You Can’t Trust What you read about nutrition

Format: Texts

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Language/s: English

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Resource Link: View the Text

Target Audience: Self-directed learning

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Short Description:

Beware of misleading correlations between foods and chance associations with other factors.

Key Concepts addressed:

• 1-3 Association is not the same as causation
• 1-12 Dramatic treatment effects are rare

Details

Millions of people vow to shape up their eating habits. This usually involves dividing foods into moralistic categories: good/bad, healthy/unhealthy, nutritious/indulgent, slimming/fattening — but which foods belong where depends on whom you ask.

The U.S. Dietary Guidelines Advisory Committee recently released its latest guidelines, which define a healthy diet as one that emphasizes vegetables, fruits, whole grains, low- or nonfat dairy products, seafood, legumes and nuts while reducing red and processed meat, refined grains, and sugary foods and beverages. Some cardiologists recommend a Mediterranean diet rich in olive oil, the American Diabetes Association gives the nod to both low-carbohydrate and low-fat diets, and the Physicians Committee for Responsible Medicine promotes a vegetarian diet. Ask a hard-bodied CrossFit aficionado, and she may champion a “Paleo” diet based on foods our Paleolithic ancestors (supposedly) ate. My colleague Walt Hickey swears by the keto diet.

Who’s right? It’s hard to say. When it comes to nutrition, everyone has an opinion. What no one has is an airtight case.

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