Rats reveal key to candy craving
19 December 2008
Many people claim they are addicted to sweet foods.
To get rats hooked on sugar, scientists deprived the rodents of food for several hours and then allowed them to gulp down sugary water.
Image: Johannes Hloch/iStockphoto
Rats addicted to sugar suffer withdrawal symptoms if they go without their daily sweet-fix - their teeth chatter and they hide themselves away.
Image: Achim Prill/iStockphoto
Addictive drugs release dopamine in the brain.
Image: Tim Child
Image: Ryan Kelly/iStockphoto