And only carbohydrate consumption naturally stimulates production of serotonin.
Business travelers are especially likely to be watching carbohydrate consumption, he said.
A drop in carbohydrate consumption drove the decline.
Many now believe that excessive carbohydrate consumption may be contributing to the obesity and diabetes epidemics.
Carbohydrate consumption declined among white and black boys, but not among Hispanic boys.
A drop in carbohydrate consumption drove the decline, a point of particular interest for those who study childhood obesity.
And there's a racial divide: Carbohydrate consumption declined among white and black boys, but not among Hispanic boys.
The profile of carbohydrate consumption and fermentation products in the pulp and beans showed similar trends during both fermentation processes.
But a wider range in total fat intake, from 20percentto35percentcent, has been included along with a greater range in carbohydrate consumption, from 45percentto65percentcent.
Two other trends in the last decade may have also been factors, the researchers said: declines in smoking and a drop in carbohydrate consumption.
In studies she conducted with her husband in the late 1980s and early 1990s, Wurtman found that carbohydrate consumption can help women suffering from premenstrual syndrome, offering subtle improvements in their mood and ability to concentrate.
