Mattress firm tells customers beds do not record them sleeping

Privacy policy reference to collecting audio alarmed Sleep Number’s customers

Breast implants study reveals serious safety concerns

Global investigation finds lack of clinical oversight and failure to track long-term outcomes

Australian database seeks to identify breast implant risks

National register set up in response to lack of thorough clinical testing of devices

Western lifestyle may cause blood pressure to rise with age

Study of remote communities in Venezuelan rainforest sheds fresh light on hypertension

Baby arm defects prompt nationwide investigation in France

Launch of inquiry follows discovery of 11 more suspected cases of birth abnormalities

Austerity is the wrong prescription for the world’s wellbeing

Findings about the impact of a course of heavy-duty cuts on life expectancy make grim reading

Gemma Arterton and Keira Knightley write hardhitting pieces for feminist collection

Arterton reimagines her Bond girl role for the #MeToo era, while Knightley writes frankly about the experience of motherhood

Like me, Jacinda Ardern took her baby to work – and was met with ignorance

The New Zealand prime minister is doing her best to juggle work and motherhood, writes MP Jo Swinson

The Guardian view on big data and insurance: knowing too much

Editorial: Insurance depends on the pooling of risk but big data may drain that pool