North America
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New hope for Aids vaccine
British scientists have found a "promising new approach" to developing an Aids vaccine, it was announced last night. Read more
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Magic bullet hopes for deadly viruses
Single "magic bullet" treatments may be developed to treat deadly strains of flu and HIV, it was announced last night. Read more
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Music therapy may aid stroke patients
Music therapy may help patients recover their movements after a stroke, researchers said today. Read more
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HIV causing tuberculosis epidemic in South Africa
Tuberculosis and HIV are together taking a huge toll on South Africa, say researchers. Read more
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Anaesthetists warned of global warming
Anaesthetics in a busy hospital will contribute as much to global warming as hundreds of cars every year, researchers warned last night. Read more
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Row over home birth warning
British midwives have rejected the findings of research linking home-births to a massively increased risk of baby death. Read more
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Doubts over heart pills
A major study today calls into question the use of the cholesterol-lowering wonder-drugs, statins, to prevent heart disease. Read more
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Supplements blow for diabetes women
Vitamin supplements and fish oil may not do much to help improve the prospects of women with diabetes, according to two new studies. Read more
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Diabetes heart risk revealed
People who develop diabetes face a hugely increased risk of developing heart disease and stroke, according to a major new analysis. Read more
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Twin insight into Mediterranean heart booster
Men facing a genetic risk of heart disease can help themselves by eating a healthy "Mediterranean" diet, researchers have reported. Read more