Stem cell windpipe op 'success' A 10-year-old British boy has become the first child to undergo a windpipe transplant with an organ crafted from his own stem cells. Obese maternity care risk warning Maternity services for obese women are not good enough and may be putting mothers-to-be at risk, experts warn. Acupuncture infection 'link' Doctors at Hong Kong University call for greater regulation of the acupuncture industry and stricter hygiene measures. Infection warning on child deaths Greater vigilance by doctors for childhood infections could have a significant impact on child deaths, say researchers. US health bill 'will cut deficit' Congressional officials say the healthcare bill will cut the deficit by $138bn over 10 years, ahead of a possible vote on Sunday.