糖属于碳水化合物，在食物中十分常见，而糖分摄取不足或过量都能致病，常见的有糖尿病、心血管疾病等等。但到底糖是否致病的主因？进食薯片等看似不含糖的可口小吃，又会否影响血糖值？由Fiona Phill

　　Neil Oliver returns to continue his epic story of how Britain and its people came to be, from the