There are two main causes of the chocolate shortage—chocolate's growing popularity and less production of cocoa, the plant from which chocolate is made.

巧克力短缺的主要原因有两个——巧克力越来越受欢迎，以及制作巧克力的植物可可产量减少。

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Chocolate is high in fat, and fat causes reflux.

巧克力是高脂肪食物，脂肪又会引起反胃。

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One of the causes of atherosclerosis is blood platelets clumping together, a process called aggregation. The polyphenols in chocolate inhibit this clumping, reducing the risks of atherosclerosis.

造成动脉硬化的原因之一是血小板凝结，而巧克力中的多酚能抑制这种凝结，降低动脉硬化风险。

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Now, researchers have found that eating chocolate, the number one food craved by American women, causes the brain to release endorphins, chemicals that make us feel good.

CNN: Researchers say chocolate triggers feel-good chemicals

The researchers then offered the rats chocolate milk in their cages, but mixed it with lithium chloride, which causes light nausea.

FORBES: Could We One Day Switch Off Bad Habits in Our Brains?

Of course, the fact that science has not, to date, shown conclusively that chocolate - pure or impure, in bar-form or egg-shaped - causes acne is unlikely to stop adults using the threat of spots to try and slow down their children's intake.

BBC: Does chocolate give you spots?