Tax and regulate sugar like alcohol and tobacco, urge scientists

Sugar is as toxic to the liver as alcohol and is at the root of obesity and certain types of liver disease, claim US scientists

Breast implant scandal firm also made testicles, ex-workers claim

PIP alleged to have used suspect silicone industrial grade gel in products for men, Paris newspaper reports

Rhys Morgan: ‘They are trying to silence me’

A 17-year-old schoolboy from Cardiff is proving an unlikely but effective opponent of powerful organisations pushing miracle cures for serious diseases

Siddhartha Mukherjee: ‘A positive attitude does not cure cancer, any more than a negative one causes it’

How, exactly, do you go about writing a prize-winning book about cancer? Siddhartha Mukherjee, who has just won the Guardian First Book award for The Emperor of All Maladies, explains

David Servan-Schreiber: ‘He was not afraid of death’

David Servan-Schreiber was dying from a brain tumour – his last wish was to make his end a good one. Nick Duerden talks to his brother, Emile

UK’s oesophageal cancer rate is worst in Europe

Cancer charity attributes Britain's poor global placing – equal with Rwanda – to high alcohol intake and growing obesity

Multiple gene test allows more targeted treatment of cancer

SNaPshot test looks for mutations in key genes of patients with cancer so they can be given the most effective drugs

Wales bans unsupervised sunbeds

New rules to combat skin cancer say businesses in Wales face fines of up to £5,000 if they provide unsupervised sunbeds

The Emperor of All Maladies by Siddartha Mukherjee – review

Siddhartha Mukherjee's masterly 'biography of cancer' makes for a great story, as well as an important history of scientific progress, writes Sarah Boseley

Women bear brunt as dementia deaths rise to 25,000

Fatal heart attacks, strokes and cancers down, but ONS figures show Alzheimer's deaths up 11%