How bedbugs invaded New York
New York City is under attack from a mass infestation of bedbugs that is leaving a trail of itching, sleep deprivation and panic in its wake.
Greece’s smokers stoke up rebellion
Helena Smith: The country's response to its government's anti-smoking campaign is proving more inflammatory than predicted
Yoga’s naked commercialism
Stewart J Lawrence: The nude trend is stirring debate about how far yoga, now a multibillion-dollar industry, has travelled from its spiritual roots
Dozens killed by incorrectly placed acupuncture needles
Professor of complementary medicine calls for adequate training for acupuncture practitioners after survey reveals punctured hearts and lungs among causes of death
The truth about men, women and food
Are men hard-wired to eat meat? Do women have an innate need for cupcakes? Eva Wiseman reports
Migraine goldmine for Botox maker
Botox manufacturer Allergan has seen cosmetic use of the toxin shrug off the recession but now its potential for therapeutic treatments such as migraine and MS has made the firm 'ecstatic'
US porn industry thrown into crisis after actor tests positive for HIV
Last major HIV panic in California's adult film industry was in 2004 when an actor with the virus infected three colleagues
Why fear of vaccination is spelling disaster in the developing world
Anti-vaccination scares are as old as vaccination itself – but now they are putting lives at risk in the developing world
Gay rights in Africa: now for the good news
Paul Canning: Although times are still hard for gays and lesbians in many African countries, hard-won gains are being made
HIV infections could hit 3.2m a year by 2031 if funding is not increased
Just keeping pandemic under control will cost up to $733bn, report published in the Lancet warns