The World Health Organization reports that depression has the greatest burden of disease worldwide, in terms of the total cost of treatment and the loss of productivity.
世界卫生组织报告称，从治疗总费用和生产力损失来看，抑郁症是世界上产生的负担最重的疾病。
2
They also calculated the cost savings emerging from the amount of disease that would be avoided because of lower blood pressure.
他们同时也计算了由于较低的血压所避免产生的其他的疾病而节约的费用。
3
For instance, simple filtration and disinfection of water at the household level dramatically improves the microbial quality of water, and reduces the risk of diarrhoeal disease at low cost.