Archive for February, 2019

Diet Soda: Beating a Correlation to Death

February 18, 2019 — How many times have we documented a correlation between diet sodas and cardiovascular disease? Who cares, say the editors of Stroke. Apparently, the click bait is irresistable. Thus, we have the upteenth correlation study, unsupported suggestions of causality, and a tidal wave of sensational headlines about diet soda, strokes, heart attacks, and death. We have […]

Fitbit: Helping Employers Peek into Your Lifestyle

February 17, 2019 — The consumer market for activity trackers is shrinking. Smartwatches have put a dent in the sales trend for Fitbit’s old bread and butter product – the fitness tracker. Of course, the company has responded with a pretty good smartwatch to compete with Apple. But a big part of its strategy is to make a buck by helping […]

Are Organized Sports Enough for Childhood Fitness?

February 16, 2019 — As the prevalence of obesity has grown, so has our fixation on programmed physical activity. If you’ve got the money and the time, odds are your kids are participating in youth sports. But are organized sports enough to ensure childhood fitness? A Study in Homeschooled Youth A new study of homeschooled youth suggests that organized […]

Reporting on the President and Obesity

February 15, 2019 — The president’s doctor, Navy Cmdr. Sean Conley, released a memo yesterday with more details on the president’s health. His cholesterol has come down a bit, but his weight is up. At 243 pounds and an official height of 6’3″, that puts his BMI at 30.4 – in the range of mild obesity. The report says nothing […]

PREDIMED and the “Corpse” of Nutrition Science

February 14, 2019 — Last year, the New England Journal of Medicine retracted and then published a revised analysis of the landmark PREDIMED study. With that action, it shook the world of nutrition science. Even now, there’s still a whole lot of shakin going on. What About 267 Secondary Publications? Just last week in the BMJ, Arnav Agarwal and John […]

What Presidential Checkups Tell Us About Self-Reports

February 13, 2019 — Our president just had his annual medical exam and that ritual is providing us an important reminder. Self-reports – especially about obesity, nutrition, and physical activity – are not very reliable. That’s because most people misremember or shade the truth. We’re all lighter, taller, eating healthier, and more active when we do the reporting ourselves. A Long […]

Real Evidence for Caution About Ultra-Processed Food

February 12, 2019 — Will ultra-processed food kill you? Probably not, but two new studies provide some real evidence for caution about this dietary boogeyman. First, a large observational study in France finds a 14 percent higher risk of death in a people who eat more of the stuff. And then, an RCT from NIH shows that ultra-processed foods […]

Obesity and the Food Supply: Assumptions vs Facts

February 11, 2019 — If there’s one assumption about what’s causing the global pandemic of obesity that is nearly universal, it’s the food supply. Some people describe it cautiously. Others not so much. For instance, the recent Lancet Commission report was pretty blunt. “Ultra-processed foods are a key driving force in the global obesity pandemic,” says the Commission. A Simple […]

Forgetting to Randomize a Randomized Study

February 10, 2019 — Sometimes things are not what they seem. That’s a problem when something slips into scientific literature that’s not exactly true. We offer a prime example today. Here we have two papers where an RCT – a randomized controlled study – is not properly randomized. Apparently, the investigators, reviewers, and editors for these papers weren’t too fussy about […]

Pet Therapy 101: How You and Your Pet Can Heal Each Other

February 9, 2019 — Pets not only make great companions, but they can also help you recover after suffering from physical and mental afflictions. Here are just some of the benefits having an animal buddy can offer while you’re healing. Better Mental Health Having an animal companion helps you become mentally healthier. Pets are capable of lowering loneliness, stress, and anxiety […]