North America
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Smoking lung cell mutations measured
Smoking a packet of cigarettes a day for a year causes 150 mutations in lung cells, a report out last night revealed. Read more
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Case reports uncover rare risks
Unexpected side effects from excessive use of energy drinks and opium have been reported by doctors. Read more
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No benefit from ultrasound post-fracture – study
Ultrasound therapy following surgery to repair a fractured tibia is not beneficial, according to an analysis published today. Read more
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Call for action on global child poverty
More than 40% of children in low and middle income countries face developmental problems because of extreme poverty, experts warn today. Read more
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Contraceptives linked to ovarian cancer decline
Widespread use of oral contraceptives has helped reduce deaths from ovarian cancer, according to the findings of a major study published today. Read more
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Perfect storm that causes cancer
People who develop cancer are often victims of a "perfect storm" of damage to their cells and organs, British researchers reported last night. Read more
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Diabetes drug could benefit autistic children
A new study suggests that the diabetes drug metformin hydrochloride may help prevent weight gain in autistic children on atypical antipsychotics. Read more
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Gene test for oesophageal cancer
Genetic testing can identify patients at risk of developing oesophageal cancer, researchers have announced. Read more
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Antipsychotics mainly safe in pregnancy
Taking antipsychotic drugs in early pregnancy does not usually increase the risk of congenital malformations, a large new study has found. Read more
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Bacteria adapted as ‘nanorobots’
Researchers have announced the successful development of "nanorobots" able to deliver drugs to cancerous cells. Read more