Revolutionary laser surgery for treating angina is dangerous, and at least 5 per cent of patients die soon after the operation, a damning new study has found.
A further doubt has been raised about blood transfusions following a new study that has found that transfusing red cells can endanger the life of patients.
Long-term data about breast cancer is currently pouring in, bringing both confirmations and surprises.
Analysis of cancer-screening trials has found major inconsistencies in determining deaths due to all causes and deaths due to specific cancers, thereby casting doubt on the value of the findings of these trials.
THE END OF HEART ATTACKS? We hope it's true, we fear it's not