A temporary ban giving odd numbered cars off the road on even days, and even numbered cars off the road on odd days, an attempt to target a toxic problem, pollution.
One reason for the rise in deaths from Alzheimer's disease in this group may be that developing this condition remains possible even after people beat the odds of dying from other diseases such as cancer.
It can sometimes feel like the odds are stacked against you, that it isn't worth it, that the critics are too persistent and the problems are too great.