Summary: One-third of people are shift workers in the US. They face a significant risk of metabolic disorders. High stress and a broken body clock drive that risk. A new study shows that time-restricted eating may help significantly improve metabolic health. That means eating within a 10-hour window each day.
It appears that a simple step like time-restricted eating may boost metabolic health significantly. Studies suggest that about one-third of people in the US are shift workers. These people are prone to high stress and metabolic disorders. High blood pressure, high cholesterol, obesity, and insulin resistance are all fairly common in shift workers. Yet most clinical trials leave this group out. So researchers from the Salk Institute and UC San Diego Health decided to study this group.
For the study, they picked firefighters. Restricted eating means a person eats as usual, but only for a set number of hours a day. For example, firefighters in this study could eat during a 10-hour window. There was no dieting and no skipped meals. So this kind of change is fairly easy to start and takes little learning. All you do is eat within the 10-hour window. Most people spread meals across the 14-to-16-hour window when they are awake. The results were published in the journal Cell Metabolism. Researchers chose firefighters as they often work in shifts like military or healthcare personnel.
Researchers said they wanted to test how well a fairly simple change works. Most doctors reach for pills to manage health conditions. But there is no magic pill, and drugs often fail to help with metabolic disorders. Restricted eating, by contrast, is simple. Studies show that shift workers are at high risk of metabolic disorders because of high stress. The body has an internal clock called the circadian rhythm. It tells you when to eat, rest, and so on. In shift workers, this clock is thrown off. That causes changes in blood pressure, muscle function, and more. It explains why this group is at such high risk of metabolic disorders.
The study was simple. It included 150 firefighters randomly split into two groups. One group kept eating as usual. The second group had to eat all their food within a 10-hour window. Some had metabolic health problems like high blood pressure, cholesterol, pancreatic pain and other issues. Others were healthy. The group that kept eating as usual served as the control group.
The researchers found that those on a time-restricted diet benefited significantly. This simple step led to a significant drop in VLDL cholesterol. It also improved their mental health and well-being. It helped cut alcohol intake too. Those on a time-restricted diet also had significantly better blood pressure, lower insulin resistance, and better blood sugar. So a time-restricted diet can help lower the risk of cardiovascular disease and other chronic health disorders.
The study found that a simple step like a time-restricted diet could work to improve metabolic health in shift workers. Researchers also say many people can benefit from this, like healthcare workers and even new parents. The findings were eye-opening. The benefits went beyond what anyone expected. To sum up, it is possible to prevent metabolic disorders, and even reverse them early on, with simple lifestyle changes. That means changes to what you eat and time-restricted eating. Time-restricted eating is good because it is simple to practice and takes little learning. And eating within 10 hours is fairly easy for most people.
The Bottom Line
Padda Institute of Pain Management offers comprehensive chronic pain treatment and other metabolic treatments, including pancreatic pain treatment in St. Louis. Schedule your appointment today to get in touch with our experts.
Meal timing is one of the levers considered alongside the other components of medical weight loss care.
Related reading on painmd.tv
Frequently asked questions
What is a time-restricted eating schedule?
Time-restricted eating means you eat as usual, but only within a set number of hours each day. In the study, firefighters ate all their food within a 10-hour window instead of spreading meals across the 14 to 16 hours most people are awake. There is no dieting and no skipped meals. So it is easy to learn and simple to keep up.
Can shift workers do time-restricted eating?
Yes. Researchers from the Salk Institute and UC San Diego Health tested it in 150 firefighters, who work in shifts much like military and healthcare personnel. One group ate within a 10-hour window and the other ate as usual. The researchers found it was a doable, simple change for shift workers. They say healthcare workers and even new parents can benefit.
What are the benefits of time-restricted eating for shift workers?
In the firefighter study, the 10-hour eating window significantly lowered VLDL cholesterol. It also improved blood pressure, lowered insulin resistance and improved blood sugar. People also reported better mental health and well-being and drank less alcohol. Together these changes lower the risk of cardiovascular disease and other chronic disorders. The benefits went beyond what the researchers expected.
Why are shift workers at higher risk for metabolic problems?
The body runs on an internal clock, the circadian rhythm. It sets when you should eat and rest. Shift work breaks that clock and adds high stress. That changes blood pressure, muscle function and more. That is why high blood pressure, high cholesterol, obesity and insulin resistance are common in shift workers, even though most clinical trials leave this group out.
Dr. Gurpreet Singh Padda, MD, MBA, MHP
