Some people will never know that their blood sugar level has dropped because，once detected，their bodies make the necessary adjustments.It isn’t clear why others experience symptoms，although some researchers suggest certain people may be more sensitive to the body’s release of some hormones.

　　In cases of mild hypoglycaemia，the symptoms should stop as soon as you eat or drink.The best choice is something that is easily digested and high in simple sugars or carbohydrates such as a glass of fruit juice or a biscuit.In terms of prevention，try to eat snacks every three hours.A diet rich in fruit and vegetables，whole grain foods is recommended.Usually foods that are high in fibre are a good choice as they are absorbed slowly and help maintain a constant blood glucose level.But if you’re experiencing symptoms midmorning，a lighter breakfast and midmorning snack (a banana or whole­grain crackers and cheese)might be better.

　　There are other causes of hypoglycaemic symptoms，besides low blood sugar.These include poor circulation，dehydration(脱水)，stress，and even eating a large meal.If your symptoms continue after you take measures，you should consult your doctor.

　　本文通过问答的形式分析了低血糖症状的原因和预防办法。

　　1．What is Marion’s main problem?

　　A．She always has low blood sugar.

　　B．She often feels uncomfortable.

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