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An American study suggests that women who eat fried chicken every day are 13% more likely to die prematurely than those who avoid these foods.
The fried fish is only slightly better, with a risk of premature death of seven percent higher, all-cause, badociated with a daily serving, revealed the study.
"Eating fried foods increases total calorie intake and the risk of obesity, which is badociated with an increased risk of death," said Wei Bao, lead author of the study, of the University of Iowa in Iowa City.
"However, in our badysis, we accounted for total calorie intake, lifestyle and obesity status," Bao said via email. "After controlling for these factors, the combination of fried foods with all-cause death and cardiovascular death remained."
In North America, one in three adults eats daily fast food, usually fried, note Bao and colleagues in the BMJ.
During frying, foods can lose water and absorb fat, making meals crunchier and more appetizing, but also making people eat more than they should. Previous research had linked fried foods to an increased risk of obesity, heart disease and diabetes, but the potential link with premature death was unclear.
For the present study, researchers examined data from a questionnaire on the diet of 106,966 women aged 50 to 79 who participated in the Women's Health Initiative study between 1993 and 2006. and 2017.
On average, the researchers followed each woman for about 18 years. During the follow-up, 31,588 women died, of whom 9,320 died of heart problems and 8,358 died of cancer.
To evaluate the consumption of fried foods, researchers examined the frequency with which women reported eating certain foods at the time of their first enrollment in the study, including: "fried chicken"; "fried fish, fish sandwich and fried seafood (shrimp and oysters)"; and other fried foods, such as french fries, tortilla chips and tacos.
After taking into account other factors that may accelerate death, such as lack of education, physical inactivity and generally unhealthy diet, researchers found that regular consumption of fried foods was badociated with increased risk of death, whatever the cause, and especially heart problems.
Women who ate at least a daily portion of fried chicken were 12% more likely to die of heart problems than women who did not eat fried food, according to the study. Fried fish, meanwhile, was badociated with a risk of death from heart attack 13% higher.
But eating fried foods did not seem to have an impact on the risk of dying from cancer.
Participants who ate fried foods more regularly tended to be younger, non-white, less educated, and low-income. They were also more likely to smoke, exercise less and dieting worse.
The study was not a controlled experiment designed to prove that fried foods have a direct impact on longevity. Another disadvantage is that she relied on women to remember exactly what they ate.
Even then, the results offer new evidence that the way foods are prepared can have a significant impact on health, said Dr. Clyde Yancy of the Feinberg School of Medicine at Northwestern University in Chicago.
"Poultry and fish are generally considered" healthy for the heart "food choices, but the frying process is changing the health consequences," said Yancy, not involved in the study, by e-mail.
"When fried foods are eaten, the modified structure of these fats used for frying generates signals for further inflammation, more (hardening of the arteries) and higher blood sugar," added Yancy. "It only gets worse when ingesting fried foods is badociated with sweetened beverages, high sodium and reduced consumption of fruits and vegetables."
Avoiding fried foods may be ideal, but some frying methods may be better than others, said Daniel Lackland, a researcher at the Medical University of South Carolina in Charleston, who did not participated in the study.
"The elimination of trans fats is important," Lackland said by e-mail. "Eating prepared foods by grilling or baking them would be the preferred choice – but if fried foods are eaten occasionally, frying with safer oils such as olive oil would be a good choice . "
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