DETROIT -

Going on a diet and giving up junk food is never an easy thing to do.

Now there's new research suggesting it may be even harder than you thought.

Read: Lifestyle changes can help kids prevent diabetes

The new study says the feelings you have when quitting junk food are similar to those experienced in drug withdrawal.

Researchers found that a high-fat diet can actually cause chemical reactions in the brain leading to stress and withdrawal symptoms when you switch to a healthier diet.

Read: Maine residents manic for potato doughnuts

The study was performed on mice for a period of six weeks.

In a news release, the study's author says the chemicals monitored in the mice are similar to those found in the human brain.

The study is published in the International Journal of obesity.

States spending the most on fast food

Published On: Aug 30 2011 03:09:37 PM EDT

Like it or not, the drive-through is more popular than ever with the economy sputtering again. Check out which states spend the most on fast food.

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Like it or not, the drive-through is more popular than ever with the economy sputtering again. Check out which states spend the most on fast food, according to fast food sales compiled by social finance site bundle.com.

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