It is best thought of as a disease, one that affects around 30% of the world's population and carries with it a significant economic cost, in medical treatment, lost labour productivity and caregiving.

最好将其视为一种疾病， 一种影响世界约 30% 人口的疾病， 并带来巨大的经济成本，包括医疗、劳动生产力损失和护理。