Some are mild but many are serious, including types of epilepsy, cancer and diabetes, heart, muscle, kidney and liver conditions, deafness and blindness.

• 有的不太严重，但也有很多是非常严重的，包括各种癫痫病、癌症、糖尿病、心脏病、肌肉毛病、肾脏病、肝病、耳聋和眼盲等。