Biomedical Laboratory Science

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Showing posts with label Cravings. Show all posts
Showing posts with label Cravings. Show all posts

Sunday, September 11, 2016

There Is Now A Sixth Taste – And It Explains Why We Love Carbs

As any weight-watcher knows, carb cravings can be hard to resist. Now there’s evidence that carbohydrate-rich foods may elicit a unique taste too, suggesting that “starchy” could be a flavour in its own right.

It has long been thought that our tongues register a small number of primary tastes: salty, sweet, sour and bitter. Umami – the savoury taste often associated with monosodium glutamate – was added to this list seven years ago, but there’s been no change since then.

However, this list misses a major component of our diets, says Juyun Lim at Oregon State University in Corvallis. “Every culture has a major source of complex carbohydrate. The idea that we can’t taste what we’re eating doesn’t make sense,” she says.


Mmm… taste that delicious starch
Jonathan Knowles/Getty

Sunday, June 19, 2016

Obesity Linked to Abnormal Reward Response to Sugary Foods

An unhealthy diet is considered a key contributor to obesity. When it comes to cravings for sweet treats, however, impairments in the brain's reward system might be to blame.

In a new study published in the journal Diabetes, researchers found age and receptor levels of the reward-associated chemical dopamine influence preference for sweet foods among people of a healthy weight, but not for people who are obese.

First author M. Yanina Pepino, Ph.D., of the Washington University School of Medicine, and colleagues reached their findings by enrolling 44 adults aged 20-40 years.


Researchers say the reward system in the brains of obese individuals appears to be impaired in
response to sweet foods.
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