Posts Tagged ‘physical activity’

HIIT Takes a Hit in an RCT for Certain Heart Patients

February 10, 2021 — High intensity interval training (HIIT) is hot right now. It mixes short periods of very intense exercise with less intense recovery. Even before the pandemic, interest in HIIT had grown dramatically. Then it spiked when pandemic lockdowns began. But a new RCT published yesterday in JAMA suggests that it might not be a panacea for […]

COVID-19, Obesity, and Children: From Risk to Reality

February 6, 2021 — For some time now, speculation about the impact of COVID-19 on obesity risk in children has been plentiful. It makes sense. COVID has turned the lives of kids and their parents upside down. On top of that, models suggest childhood obesity rates could go up markedly. However, these were projections and speculation. So we have […]

When Is the Best Time for Exercise?

January 29, 2021 — Writing for the New York Times, Gretchen Reynolds purports to tell us the best time of day for exercise. Except that she doesn’t. Instead, she describes a study that is too small and too flawed to support the claims its authors make in Physiological Reports. And finally, buried at the end of her article, she […]

How Much Exercise to Prevent Weight Gain?

January 11, 2021 — In the relationship between exercise and weight, one article of faith has held up for years. Exercise is a valuable tool for preventing weight gain. Though you can’t outrun a bad diet, experts are quite clear that exercise helps to maintain a lower weight. However, a new randomized study in Obesity asks a key question. […]

Will Home Fitness Surge Past the Pandemic?

January 9, 2021 — We seem to be living in boom times for home fitness – at least for the folks selling it. In 2019, people wondered if Peloton would be a flash in the pan. After a 2019 IPO at 29 dollars per share, its stock price dropped by more than 30 percent in early 2020. But that […]

The Problem and Promise of an Active Life

January 6, 2021 — When you’ve got something to sell and you know in your heart that it’s really great, you’ve got a problem. The temptation to oversell can be tough to resist. In health promotion, exercise is an obvious example. Over at the New York Times, Gretchen Reynolds is a huge fan. She writes the Phys Ed series […]

Exercise for Weight Loss: The Lie That Won’t Die

December 12, 2020 — Sometimes an idea firmly plants itself in the popular imagination. Once there, it takes root and persists like a weed. It simply will not die. So it is with the idea that exercise is an excellent tool for weight loss. This is a lie that won’t die. A Nice Little Study Gretchen Reynolds at the […]

The Untidy Reality of Living Larger in a Lockdown

October 24, 2020 — A tidy narrative attracts the human mind. When they ring true, generalizations are seductive. They wipe away the complex mess of real life. For example, the untidy reality of living through the pandemic lockdown leaves us eager to make sense of it. So a new paper describing a global survey of health behaviors in the […]

Alexa, Am I Too Fat? Amazon Wants to Help

August 28, 2020 — Are we ready for our Alexa smart speaker to tell us exactly how much body fat we have? Just in case we are, Amazon has some new technology to take us in that direction. It’s called Halo. Now for only $65 (discounted from a list price $99.99) we can get a smart band, an app, […]

Facing the Mental Health Consequences of COVID-19

August 9, 2020 — This is an anxious moment. And this moment is dragging on with seemingly no end in sight. Seeing an angle to advance their agenda, some politicians like to talk about the mental health effects of dealing with COVID-19 as being worse than the virus. But we would prefer to stick with facts. So we pay […]