Edited and translated by Du Mingming, People's Daily Online
1. Black chocolate
Among all kinds of chocolates, black chocolate contains lest sugar and fat. When black chocolate turns to glucose and enters into blood, it will slowly release energy. The blood sugar will last for two or three hours before decreasing to empty stomach level. Therefore, when you are hungry, eat a piece of chocolate is much more effective than biscuits or cakes.
Read the Chinese version: 养生：上班族当心过劳死！5种必备健康食物
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