Their study shows that as young people grow older they spend less of their sleeping time in slow wave or deep sleep.

BBC: Sleep linked to ageing

Obviously, as people get older they grow keener on investments that produce a reliable stream of income (eg, bonds from creditworthy issuers) than on investments that take years to produce capital growth (eg, most shares).

ECONOMIST: Buttonwood

Mr Walton, who has an allotment in the Rhondda, said younger allotment holders were tending to grow different produce to older people, such as peppers and sweetcorn.

BBC: Growing our own to beat downturn

This is the effect of aging population: millions more people will be eligible for Medicare, and healthcare costs grow as we get older.

FORBES: To Win, Republicans Just Need to Lie More