That something may be an accident, a fight, a disease or an encounter with a hungry predator.

"The mice get less disease, they live longer, but they're hungry," he says. "Even seeing what a diet does, it's still hard to go to a restaurant and say: 'I can only eat half of that,."

Suspected pregnancy al. intrahepatic cholestasis disease of the pregnant women need to check hungry blood, check should include bile acid and liver function examination.