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By Matt McGrathScience reporter, BBC World Service Malaria is spread by mosquitoes Scientists have found new evidence that resistance to the front-line treatments for malaria is increasing. They have confirmed that resistant strains of the malaria parasite on the border between Thailand and Burma, 500 miles (800km) away from previous sites. Researchers say that...

The risk register was compiled ahead of the introduction of the Health and Social Care Bill The public interest in publishing a risk assessment of the NHS overhaul in England is "very high, if not exceptional", a tribunal has ruled. Last month the government lost a Freedom of Information battle to keep its transitional risk register secret. In a full ruling...

By Jane HughesHealth correspondent, BBC News A shortage of egg donors means couples miss out The UK fertility regulator is seeking to reduce the taboo around egg and sperm donation. The Human Fertilisation and Embryology Authority (HFEA) says people should feel the same about it as they do about altruistic, or living, organ donation. It is launching a new drive...

GPs are taking charge of the majority of the NHS budget under the reforms The number of GPs who believe that the government's health reforms in England will improve patient care is falling, a BBC poll suggests. Just 12% agreed that putting GP-led groups in charge of the budget would mean patients saw a "noticeable" improvement. That figure was 23% when...

By Helen BriggsBBC News Obesity has been linked to several cancers Taller women have a slightly higher risk of ovarian cancer, according to a review of studies. Obesity is also a risk factor among women who have never taken HRT, say international researchers. Previous studies have suggested a link, but there has been conflicting evidence. The latest research, published...

By James GallagherHealth and science reporter, BBC News How should obesity be calculated? The obesity problem in the US may be much worse than previously thought, according to researchers. They said using the Body Mass Index or BMI to determine obesity was underestimating the issue. Their study, published in the journal Plos One, said up to 39% of people who were...

By James GallagherHealth and science reporter, BBC News Millions of babies are born prematurely each year A cheap medical device can dramatically reduce the number of premature births in some at-risk women, according to a team of doctors in Spain. Being born before 34 weeks of pregnancy is linked to a host of health problems. The study, published in the Lancet,...

By James GallagherHealth and science reporter, BBC News To screen or not to screen? Up to one-in-four breast cancers detected by screening would never have gone on to be fatal or cause any symptoms, US researchers say. Their study based on 39,888 women in Norway said between 15% and 25% of breast cancers were "overdiagnosed". They said this led to unnecessary...

By Jane HughesHealth correspondent, BBC News 10.7% of implants had to be revised within four years of implantation. Surgeons have been warned to stop using a particular type of metal-on-metal hip implant because it has an "unacceptably" high failure rate. The UK health regulator, the MHRA, said after four years, over 10 percent of the implants needed...

Densely packed cities put the UK at risk of the spread of flu, says the report The Olympics will increase the already "extreme" risk of a flu pandemic spreading in the UK, a report has said. Britain has been ranked by analysts Maplecroft as second only to Singapore for the speed at which influenza could spread, because of its dense cities and status as a global...