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東京医科歯科大
One reason may be breakfast's nutritional value-partly because cereal is
Tarified with vitamins. In one study on the breakfast babits of 1.600 young people
Julete, vitamin C, iron and calcium, was better in those who had breakfast
in the U, researchers found that the fire and micronutrient intale, including of
regularly. There have been sämiäer finelings in Australia, Brazil, Canada and the
Breakfast is also associated with improved brain function, including
concentration and language. A review of 54 studies found that eating breakfast
can improve memory, though the effects on other brain functions were
inconclusive. However, one of the review's researchers, Mary Beth Spitznagel
says there is "reasonable" evidence breakfast does improve concentration-there
just needs to be more research.
"Looking at studies that tested concentration, the number of studies showing a
benefit was exactly the same as the number that found no benefit," she says.
"And no studies found that eating breakfast was bad for concentration."
What's most important, some argue, is what we eat for breakfast.
High-protein breakfasts have been found particularly effective in reducing food
fravings and consumption later in the day, according to research by the Australian
Commonwealth Scientific and Industrial Research Organisation.
While cereal remains a firm favourite among breakfast consumers in the UK
and US, a recent Which? investigation into the sugar content of 'adult' breakfast
cereals found that some cereals contain more than three quarters of the
recommended daily amount of free sugars in each portion, and sugar was the
second or third highest ingredient in seven out of 10 flaked cereals.
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But some research suggests if we're going to eat sugary foods, it's best to do
it early. One study found that changing levels of the appetite hormone leptin in the
body throughout the day coincide with having our lowest threshold for sweet food
in the morning, while scientists from Tel Aviv University have found that hunger is
best regulated in the morning. They recruited 200 obese adults to take part in a
16-week-long diet, where half added dessert to their breakfast, and half didn't.
Those who added dessert lost an average of 40 lbs (18 kg) more-however, the
study was unable to show the long-term effects.
