Suggestions to spend your funds wisely

Book shows myriad ways money messes with our heads

Go for the bank with the least local branch, don't bother trying to find the cheapest flight, and fork out for twice-the-price branded painkillers, even if they contain identical ingredients to Boots' own.

So goes the counterintuitive financial advice of Claudia Hammond, Radio 4 presenter and psychologist, who is on a mission to help us spend, if not less, then at least more wisely.