Kate Kelland

Angola polio outbreak threatens neighbours: WHO

An outbreak of polio in Angola is now a matter of international concern and health authorities there must step up the fight to stamp it out

Scientists see risks and benefits in nano foods

Scientists say they have cooked up a way of using nanotechnology to make fat-free foods just as appetising and satisfying as their full-fat fellows.

Scientists suggest fresh look at psychedelic drugs

Mind-altering drugs like LSD and ketamine could be combined with psychotherapy to treat people suffering from depression, Swiss scientists say.

Scientists find new superbug spreading from India, Pakistan

People who embark on "health tourism" trips to India and Pakistan risk picking up and spreading a new superbug, according to scientists.

Mental health experts ask: Will anyone be normal?

An updated edition of a mental health bible for doctors may include diagnoses for "disorders" such as toddler tantrums and binge eating.

Frustration grows as Aids science, politics clash

An international Aids conference has exposed a gulf between scientists and politicians on how to tackle the deadly HIV pandemic.

Circumcision could halt 4m new African HIV cases

More than four million new HIV infections could be prevented in Eastern and Southern Africa by 2025 if male circumcision rates were increased to 80%.

SA keen on speedy roll-out of Aids gel

South Africa is considering rolling out use of a vaginal gel which can protect women against HIV before it is officially licensed by drug regulators.

Doing nothing might have been best for BP oil spill

It might have been better for the environment to have done nothing about the oil spill in the Gulf of Mexico except to keep the oil out at sea.

Research project takes genetics to African roots

An international collaboration by major research bodies wants to take the fruits of the genetic revolution to a continent it has largely bypassed.

Nurses as good as doctors in Aids care monitoring

Nurses are as good as doctors at monitoring treatment for Aids patients, and shifting this role to them could help ease a shortage of health workers.

Slightly early births linked to autism, dyslexia

Babies born just one or two weeks before their 40-week gestation due date are more likely to develop learning difficulties such as autism or dyslexia.

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