Did we really gain weight during the pandemic?

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Many people have been talking about the "COVID 15," referring to gaining 15 pounds during quarantine. But did people really gain weight? This question intrigued researchers. So they examined patient data from electronic health records. Specifically, they looked at 15 million patients' weight changes the year prior to the start of the pandemic, and then weight change for one year over the course of the pandemic. As it turns out, 39% of patients gained weight during the pandemic, with weight gain defined as above the normal fluctuation of 2.5 pounds. Approximately 27% gained less than 12.5 pounds and about 10% gained more than 12.5 pounds, with 2% gaining over 27.5 pounds.

The role of stress in weight gain

There was a great deal of stress during the first year of the pandemic, and stress is associated with increased cortisol. Increased cortisol has been associated with increased intake of hyperpalatable foods, which are foods high in salt, fat, or both. There is also evidence that our bodies metabolize more slowly when under stress. In addition, stress and high cortisol levels are associated with increased belly fat, which puts people at risk for diseases like heart disease and type 2 diabetes.

To add to the list of unhealthy effects of stress on the body, high cortisol levels can reduce lean muscle mass, and this in turn has an impact on your metabolic rate. The less lean muscle mass you have, the lower your metabolic rate and the fewer calories you burn at rest. All of this is a set-up for and poor health with increased stress.

Not everybody put on pounds during quarantine

Some people respond to stress by not eating. These people ignore their hunger cues, and so some during times of stress. As it turns out, the electronic health record analysis revealed that 35% of patients lost during the first year of the pandemic. Few people were complaining about losing weight, so we heard less about it. The reasons for this are likely multifaceted. It is possible that people were sitting more and moving less. Thus, they lost muscle mass and gained fat (fat weighs less than muscle).

A healthier reason for this weight loss may be that people prioritized their health and had more control over their food. They were cooking in their own kitchens, and research demonstrates that cooking for yourself and not going to restaurants may help you lose weight. A University of Minnesota study tracked the and health of 3,031 people for 15 years: those who had fast food two or more times per week gained 10 pounds more than those who rarely ate this way. In another study from the same university, women who went out for fast food one extra time per week during a three-year study gained an extra 1.6 pounds.

Additionally, some people took quarantine time as an opportunity to work out and focus on their fitness, nutrition, and sleep. These people likely lost weight. It is also possible that without a work commute, people made time for exercise and preparing healthier meals at home.

Whether you gained or lost weight during quarantine, you are not alone

Where do we go from here? If you gained weight during quarantine, you have an opportunity to change your habits and work to follow the six pillars of lifestyle medicine (exercise, healthy eating, sound sleep, social connections, stress resilience, and avoiding risky substance use) to help you lose weight, improve your health, and enhance your sense of well-being. Here are ways to avoid slow weight gain over the years (pandemic or not).

  • Move your body in a fun way every day. Work to accumulate 150 minutes of moderate-intensity physical activity each week. Find a workout buddy you can check in with each day or week.
  • Eat more plants. Vegetables have phytonutrients that help to fight disease, and fiber that helps to feed the microbiome in your gut that ferments the fiber into short-chain fatty acids like acetate, butyrate, and propionate, which in turn help with regulating your metabolism and your immune system.
  • Sit less. Make sure to get up off your chair every hour and move around. If you have diabetes or prediabetes, get up every half hour.
  • Eat fewer processed foods. Don't buy them. Try to eat foods that don't come in a package or a can.
  • Find the fun in reduction strategies. Try a variety of deep breathing techniques, such as 4-7-8 breathing, where you inhale for a count of 4, hold for a count of 7 and exhale for a count of 8. Or try box breathing, where you breathe in for a count of 4, hold for a count of 4, exhale for a count of 4, and then hold for a count of 4. Repeat the box at least 4 times. This might be the right time to try yoga, tai chi, qigong, or other mindfulness movement exercises.

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More information: Study: ehrn.org/articles/pandemic-pou … ies-dont-hold-weight
Provided by Harvard University
Citation: Did we really gain weight during the pandemic? (2021, October 6) retrieved 1 December 2021 from https://medicalxpress.com/news/2021-10-gain-weight-pandemic.html
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