烹调时间越长 身体越不健康

 

The result contradicts the popular public health message that it is better to cook from scratch than rely on ready meals.

 

And it suggests that food isn't healthy just because it is cooked at home.

 

Possible reasons include home chefs being extra generous with unhealthy ingredients such as butter and salt and feeling they have to eat more because of the time and effort that went into preparation.

 

Frequenting tasting of food as it is being prepared can lead to pounds creeping on over time.

 

It is also possible, say the researchers, that convenience foods have become healthier.

 

The researchers, from Rush University in Chicago, analyzed¹ 14 years of data provided by more than 2,755 women in their 40s, 50s and 60s.

 

This included information on how long they spent cooking and the results of annual health checks for something called metabolic² syndrome³.

 

This is the medical term for when someone has three out of five risk factor that raise the odds⁴ of heart disease and strokes.

 

Warning signs include high blood pressure, high cholesterol⁵ and obesity⁶.

 

The women who spent the longest cooking and clearing up meals were more likely to develop metabolic syndrome, the journal Preventive Medicine reports.

 

Similarly, if a woman started to spend more time cooking, her odds of metabolic syndrome rose more quickly than average.

 

However, females who did less cooking as time went on cut their odds of health problems.

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