Posts Tagged ‘causality’

Teasing Out Causality in Obesity and Depression

December 23, 2022 — Causality in the relationship between obesity and depression is mighty hard to discern in a rigorous way. For clinicians, it seems obvious that obesity creates a risk for depression. Likewise, the observation that depression in some patients can lead to obesity is easy to find. But understanding that causal relationship is a challenge. Mere association […]

Take the Stairs for a Longer Life?

December 9, 2022 — We have four levels in our home – three sets of stairs to climb. So this new study in Nature Medicine yesterday definitely has our attention. Digging into observational activity monitor data from the UK Biobank, Emmanuel Stamatakis and colleagues from all over the world found that short bursts of vigorous activity – like quickly […]

Watching, Waiting, and Discerning Obesity Causes

October 11, 2022 — The toughest question about obesity is also the simplest and most basic. Why do we have so much more of it now? In the spirit of H.L. Mencken, most people presume the answer is also simple. People are just eating too much, moving too little, and they should change their ways. Problem solved. But in […]

Be Cause: The Mighty Struggle to Discern Causality

May 13, 2022 — What is going on here? Why is this happening? What is the cause? The struggle to discern causality bedevils anyone who is serious about understanding obesity and how to overcome it. But the line between cause and effect can be very blurry, and fuzzy thinking ensues. And thus, the progress toward reversing the relentless increase […]

Does Reducing Screen Time Reduce Obesity?

March 21, 2022 — It seems pretty clear. Increased screen time correlates with a higher risk of obesity. In children and teens, for example, a recent systematic review and meta-analysis told us the risk goes up by two thirds with more than two hours daily. Recent prospective research links high screen time with BMI going higher a year later. […]

Drinking Wine Prevents Diabetes? Not Exactly

March 7, 2022 — A glass of wine is a fine complement to a good meal, but could it also be a tool for preventing type 2 diabetes? A sampling of recent headlines prompted by the American Heart Association might certainly lead you to think so. Like this one from Martha Stewart Living: Science Says Drinking a Glass of […]

More Veggies, Less Heart Disease? Not Exactly

February 21, 2022 — In this moment, food policy advocates are in love with plant-based diets. Many reasons do favor plant-based diets. In fact, the advice to eat more vegetables has been dispensed at family tables for generations. The American Heart Association promotes eating more veggies for cutting heart disease risk with great enthusiasm. But today, a new study […]

Untangling the Metabolic Effects of Higher Adiposity

February 3, 2022 — We are pretty much done with the label of healthy obesity, because it is a perfect oxymoron. If a pattern of adiposity is healthy, then it’s not obesity. But newly published in eLife is a more thoughtful approach to this subject. This study seeks to untangle the metabolic effects of higher adiposity from other effects […]

American Heart Updates Dietary Guidance – Almost

November 16, 2021 — Dietary bias can be very slow to fade. The American Heart Association updated its dietary guidance for the first time in more than a decade. The new guidance has a lot of good things in it. There’s less emphasis on individual good and bad foods. More emphasis on healthful patterns for eating. The guidance makes […]

Hunting for the Causes of Obesity, and Maybe Solutions

November 11, 2021 — The chronic disease of obesity is tough to wrap our heads around. On one hand, many people consider themselves to be amateur experts. Consumer media – and our spam folder – is full of glib advice about how to “lose belly fat.” Advice about foods that cause weight gain is everywhere. But the truth is […]