A single meal at a restaurant contains more than half the calories the diners need for the entire day, show studies.

They also contained loads of salt -- 2,269 milligrams or 151 percent of the recommended amount for most adults, which is 1,500 milligrams per day -- and 89 percent of the daily value for fat.
The meals contained on average 83 percent of the daily value for saturated fat, and more than 60 percent of the daily value for cholesterol.
"Overall, the results of this study demonstrate that calorie, fat, saturated fat and sodium levels are alarmingly high," said the research letter in the Journal of the American Medical Association.
"Therefore, addressing the profile of restaurant meals should be a major public health priority."
A second study in JAMA focused on dishes available at 33 small independent and small chain restaurants in the Boston area, and found that the average meal contained two-thirds of daily calorie requirements.
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"On average, the meals studied contained 1,327 calories, which significantly exceeds the estimated energy needs of an individual adult at a single meal," said senior author Susan Roberts.
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Italian meals had the highest average calories per meal (1,755), followed by American (1,494 calories) and Chinese (1,474 calories).
Vietnamese meals had the fewest calories on average (922), and Japanese meals had the second lowest (1,027).
Source-AFP