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Eating within set times good for shift workers Eating within set times good for shift workers
(about 7 hours later)
The firefighters were encouraged to eat lots of fruit, vegetables and fishThe firefighters were encouraged to eat lots of fruit, vegetables and fish
Eating meals within set hours of the day may be a good way for shift workers to feel better and stay healthier, researchers say.Eating meals within set hours of the day may be a good way for shift workers to feel better and stay healthier, researchers say.
Their working patterns are known to play havoc with the body's rhythms, raising the risk of disease.Their working patterns are known to play havoc with the body's rhythms, raising the risk of disease.
In a study, firefighters working 24-hour shifts reduced their "bad" cholesterol and blood pressure, by eating within a 10-hour window.In a study, firefighters working 24-hour shifts reduced their "bad" cholesterol and blood pressure, by eating within a 10-hour window.
And those with existing health conditions benefited the most.And those with existing health conditions benefited the most.
The researchers said parents who are kept up at night looking after a new baby, and health workers, could also benefit from time-restricted eating.The researchers said parents who are kept up at night looking after a new baby, and health workers, could also benefit from time-restricted eating.
"Many of us eat all the time, right up until we go to bed - but the body doesn't need it," says Prof Pam Taub, study co-author and professor of medicine at the University of California, San Diego School of Medicine."Many of us eat all the time, right up until we go to bed - but the body doesn't need it," says Prof Pam Taub, study co-author and professor of medicine at the University of California, San Diego School of Medicine.
Instead, the body needs a rest period to allow cells to repair and rejuvenate so the body become more efficient, she explains. Instead, the body needs a rest period to allow cells to repair and rejuvenate so the body becomes more efficient, she explains.
Nurses working night shifts could also benefit from time-restricted eatingNurses working night shifts could also benefit from time-restricted eating
The researchers, writing in the journal Cell Metabolism, asked 150 firefighters from the San Diego Fire Rescue Department to track everything they ate for three months on an app.The researchers, writing in the journal Cell Metabolism, asked 150 firefighters from the San Diego Fire Rescue Department to track everything they ate for three months on an app.
Half ate all their calories within a 10-hour window of 9am to 7pm, without skipping meals, while the other half didn't change their normal routine and ate within a 14-hour window, on average.Half ate all their calories within a 10-hour window of 9am to 7pm, without skipping meals, while the other half didn't change their normal routine and ate within a 14-hour window, on average.
Both groups were encouraged to follow a Mediterranean diet - full of fresh vegetables, fruit, fish and olive oil - which is known to be healthy.Both groups were encouraged to follow a Mediterranean diet - full of fresh vegetables, fruit, fish and olive oil - which is known to be healthy.
Firefighters who were overweight or had health issues such as high blood pressure, high cholesterol or type 2 diabetes, were included in the study.Firefighters who were overweight or had health issues such as high blood pressure, high cholesterol or type 2 diabetes, were included in the study.
The health of those following a time-restricted eating regime improved more than the health of those in the comparison group, the study found.The health of those following a time-restricted eating regime improved more than the health of those in the comparison group, the study found.
Tests showed their blood pressure levels, blood sugar and cholesterol levels all improved by eating within a set timeframe. Tests showed their blood pressure levels, blood sugar and cholesterol levels all improved by eating within a set timeframe and then fasting for the rest of their shift.
Even healthy firefighters with no underlying health risks experienced a boost to their quality of life and a reduction in "bad" cholesterol, by eating that way.Even healthy firefighters with no underlying health risks experienced a boost to their quality of life and a reduction in "bad" cholesterol, by eating that way.
And the study found no decrease in energy levels or other negative side-effects.And the study found no decrease in energy levels or other negative side-effects.
Disrupted sleepDisrupted sleep
"We've shown that time-restricted eating is a feasible way for shift workers, such as firefighters, to improve their cardiovascular health and wellbeing," said Prof Taub."We've shown that time-restricted eating is a feasible way for shift workers, such as firefighters, to improve their cardiovascular health and wellbeing," said Prof Taub.
Shift workers, who make up more than a quarter of working people in many countries, are at increased risk of heart disease, type 2 diabetes and cancer.Shift workers, who make up more than a quarter of working people in many countries, are at increased risk of heart disease, type 2 diabetes and cancer.
This is because the body's natural circadian rhythms are regularly disrupted by being awake at night and sleeping during the day.This is because the body's natural circadian rhythms are regularly disrupted by being awake at night and sleeping during the day.
And yet shift workers are often left out of clinical trials and little is understood about how to improve their health, Prof Taub says.And yet shift workers are often left out of clinical trials and little is understood about how to improve their health, Prof Taub says.
Dr Linia Patel, a registered dietitian and spokesperson for the British Dietetic Association, said anyone could try time-restricted eating and see if it worked for them.Dr Linia Patel, a registered dietitian and spokesperson for the British Dietetic Association, said anyone could try time-restricted eating and see if it worked for them.
"But one size doesn't fit all - shift working is very hard and finding out the best time to fast is key," she said.
There were some limitations to the research - the study was made up mostly of men and only one particular shift pattern was analysed. But the research team says time-restricted eating should be tested in other groups of shift workers.There were some limitations to the research - the study was made up mostly of men and only one particular shift pattern was analysed. But the research team says time-restricted eating should be tested in other groups of shift workers.
"These findings can likely be extended to a wider population, including health care workers like nurses and others who experience abnormal sleep-wake patterns," Prof Taub said."These findings can likely be extended to a wider population, including health care workers like nurses and others who experience abnormal sleep-wake patterns," Prof Taub said.