Archive for the ‘Food & Nutrition’ Category

Eliminating Scientific Error by Banning the Word

August 8, 2020 — Correcting errors is such a nuisance. People feel bad about it. Some people simply can’t admit errors, so it can get messy. But errors are inevitable. Thus it’s really important to correct errors when they are discovered. Especially in scientific research. Nonetheless, one journal seems to have a different solution. Nutrients – an open-access nutrition […]

Sugar in Your Food, Your Blood, and Your Exercise

July 31, 2020 — Nature Metabolism scored big this week with PR for a study on blood sugar and exercise. The study looked at hyperglycemia and exercise training. With lots of attention on Twitter and in the news media, it scored in the 98th percentile for commanding public attention. But the attention it got didn’t line up very well […]

Systematic Failures in Dealing with Obesity

July 28, 2020 — For every complex problem there is an answer that is clear, simple, and wrong. Henry Louis Mencken wrote this in 1920, well before the the health challenge of obesity flummoxed us. But he described our systematic failures with obesity almost perfectly. Obesity is a problem of complex systems that conspire to harm our health. Simple, […]

The UK Tries a Bait and Switch Obesity Deal

July 27, 2020 — That long-awaited day has arrived and the UK now has a brand new, shiny obesity deal. This “world-leading plan” aims to help people lose weight, beat the coronavirus, and protect the NHS. It bans buy one, get one free deals on food. But apparently, bait and switch is A-OK, if it’s a public policy deal. […]

Cabbage Crowned, Lettuce Loses in Nutrition Correlation

July 25, 2020 — Is nutritional epidemiology suffering from overexposure? A study of veggies and COVID-19 mortality prompts this question. This exercise in nutrition correlation comes from a pre-print. So we can’t blame lax peer reviewers for this one. But the manuscript does make some remarkable claims: For each g/day increase in the average national consumption of some of […]

Dietary Dark Matter: What Are We Eating?

July 23, 2020 — Do you know what you’re having for lunch? You might think so. But in fact, the food that we are consuming is so complex, that we only have a vague idea of what’s in it. Through a project called FooDB, scientists have cataloged more than 70,000 biologically active chemicals that may be present in our […]

The News in 2020 Dietary Guidelines? Alcohol & Sugar

July 15, 2020 — Maybe you’ve noticed. The news coming from Washington is lots of noise and not much news. So why should the 2020 Dietary Guidelines be any different? We’re about halfway through the process and Dietary Guidelines Advisory Committee is wrapping up its work. But it doesn’t look like the experts will be recommending a lot of […]

Science and Health Equity for Obesity and COVID-19

July 14, 2020 — The interaction between COVID-19 and obesity is producing diverse responses. From some folks we hear denial. From elsewhere, we hear that concerns about obesity are expressions of racism. Still others will tell us that their favorite diet advice is the answer. Of course on Twitter, low-carb diets for COVID-19 are a hot topic today. But […]

Policy-Based Evidence for School Nutrition

July 8, 2020 — If you work with the numbers long enough, you can get the answer you want. In Health Affairs, researchers claim to have found “a 47 percent reduction in obesity prevalence” due to the Healthy Hunger-Free Kids Act. Now that’s impressive evidence for the value of school nutrition! Reducing childhood obesity prevalence is indeed an impressive […]

Calories, Carbs, Quality, and Obesity

July 6, 2020 — For decades now, we’ve been debating the role of macronutrients in weight gain. But that fierce debate has yielded precious little consensus. Low-fat dietary guidance ruled the land for decades. Right now, low-carb diets seem to have the upper hand. However, in a new webinar, Kevin Hall suggests that neither calories, carbs, nor fat tell […]