Cancer risk from sunbeds soars

· 80% of devices exceed EU safety limits, says study· Charities call for better regulation of industry

Expert revered for painstaking work that proved link between smoking and cancer

Scientist who took the view that it was right to work with industry - and to take industry's money.

Obesity epidemic may trigger 12,000 cancer cases a year

Obesity plays a role in nearly 4% of cancers, including breast and womb tumours, and is believed to be linked to others, such as bowel and kidney cancer, researchers warn.

Scientists find genetic key to some breast cancers

· Discovery may spare patients chemotherapy· Clinical trials planned for 'targeted' treatment

Drug breakthrough for ovarian cancer

'Significant advance' in treatment offers new hope to thousands of women.