Will shift work age my brain?

Luisa Dillner: There is plenty of evidence that it harms health, but a new report claims that 10 years of shift work ages your brain by an extra 6.5 years. So should you be worried?

Challenging the old narrative that possessions equal prosperity

L Hunter Lovins: A shift to the sharing economy, millennials shunning private car and home ownership, a saturation of consumerism - is a new economic narrative emerging?

Mental health problems still a workplace stigma

Survey finds 40% have experienced problems and not told their employer – but if you have concerns you may have protection

Open-plan offices can be bad for your health

Surveys find that working cheek-by-jowl with your colleagues is bad for your productivity and well-being

I can’t sleep because of road noise – but will earplugs work?

I’m told the foam ones aren’t worth it, but are silicone ones any better? Or will I have to have triple glazing?

How do I become … a sleep therapist

You’ll need experience as a nurse, midwife or health visitor and knowledge of sleep modification

EU ban on powerful vacuum cleaners prompts anger and legal challenge

Which? tells consumers to buy now as Best Buy cleaners fall foul of EU energy label that prohibits motors above 1,600w

77% in developed world are happy but wish life was simpler, says poll

Survey of 16,000 people finds widespread contentment, but few optimistic about prospects for the planet

Don’t get burned by sun cream ‘deals’

Guardian Money investigation exposes how retailers artificially inflate prices to make consumers think they’re getting a bargain

Can I afford a four-day week?

Impacts on child benefit, tax, car insurance or rail fares mean that working part time can bring greater contentment without financial misery