Acupuncture’s painkilling secret revealed: it’s all in the twist action

Twist of a needle damages cells and triggers release of anti-inflammatory chemical adenosine, US scientists find

Acupuncture may ease pain by triggering release of natural painkiller

Study in mice suggests acupuncture stimulates cells to release one of the body's own painkillers

Stephen Bevan: For some, work can resemble a living hell - and this is true in the west as well as in China

Preliminary research involving bone marrow transplants in mice suggests an immune approach to treating mental illness

Mustafa Qadri: Pakistanis must challenge the routine prejudice that condemns an ancient transgender community to violence and ridicule

Alice Klein: Don't blame women for South Africa's Aids problem: it's the men who pay for sex and a government that makes prostitution illegal

Laurie Penny: Prolonging ignorance of women's health reveals much about the prejudices of the 'pro-life' lobby

Planned screening provokes an enthusiastic welcome from advocates of women's sexual health, and outrage from anti-abortion groups

Staff suffer health decline after supplier's use of toxic chemical to clean western gadgets

Open thread: The wrong amount of nightly sleep can kill, says the review of the research. Is this a wake-up call?