American football or rugby: which is more dangerous?

Barack Obama has said he thinks the sport may be too violent. But, in terms or risk, how does it measure up against the British equivalent?

Lovelace: a feminism-free ‘feminist’ critique of the pornography industry

Naomi Wolf: The biopic of 70s porn star Linda Boreman edits out a crucial aspect of her life: her empowering role in the women's movement

Evangelical Christian group helps sue California school over yoga classes

Parents claim Encinitas's classes are inherently religious, but yoga experts say program is about health

Americans ‘are sicker and die younger’ than people in other wealthy nations

Damning official report on US health finds death and disease taking huge toll on population, particularly among young

Ultrasound parties? Let’s confront this culture of oversharing

Jean Hannah Edelstein: If an expectant mother invites you to view her unborn child in her living room, don't just pretend you have a cold

No ironic spin is possible for SoulCycle coming to Williamsburg

Emma Brockes: New York's 'sincerity wars' have been prematurely curtailed – by the arrival in hipster central of an entirely irony-free exercise cult

Zig Ziglar and staying Up, Up, Up in a Down, Down, Down world

Oliver Burkeman: Britons may have grounds to sneer at positive-thinking gurus, but the late 'Master of Motivation' knew life was also hard work

Hillary Clinton launches blueprint for eradication of Aids

The blueprint aims to prevent the spread of the disease and to reach all those who need treatment across the globe

Hillary Clinton predicts Aids-free generation

US secretary of state launches five-point 'Blueprint' to eradicate Aids pandemic

Painkiller addiction: the plague that is sweeping the US

Ed Pilkington: Prescription pill overdoses are killing 15,000 Americans a year, and the toll is growing