Happiness doesn’t increase with growing wealth of nations, finds study

A survey of developed and developing countries suggests citizens' sense of wellbeing does not rise with increasing wealth

Et cetera: Steven Poole’s non-fiction choice – reviews roundup

Disconnect by Devra Davis, Blogistan: The Internet and Politics in Iran by Annabelle Sreberny & Gholam Khiabany and Enter Night: Metallica, the Biography by Mick Wall

We need to involve girls in decisions about their health

The government's plans to improve public health include strengthening local engagement in decisions, but it will have to work hard to allow young people to participate meaningfully

Aspirin a day helps to keep cancer at bay, say scientists

Low-dose of drug has powerful preventive action against a range of cancers, study shows

Letting the food industry shape policy will ruin a century of progress

Response: Initiatives must be led by science if we are to bring the obesity epidemic under control, says Joe Millward

Smokers should not be forced out of hospitals

There should be more controlled smoking zones, argues Richard White

Don’t treat those in extreme, long-term pain as junkies

Sue Marsh: Doctors are right to be wary of drug addiction, but patients suffering extreme pain are being denied relief

It’s time to debunk the myth of too posh to push

Barbara Ellen: A new report on caesarean births makes some telling points

Actually, Mr Cameron, happiness is not being asked if we are happy

AL Kennedy: The prime minister's happiness index is yet another example of benighted coalition thinking

Government spending: defence and health workers

Biggest recipients of MoD money were companies behind large weapons, engineering and construction