A New York state lawsuit is renewing longstanding questions about where some members of the billionaire Sackler family have invested the wealth they amassed from Purdue Pharma LP, the drugmaker accused of helping ignite the U.S. opioid epidemic.

AstraZeneca Plc will pay up to $6.9 billion to work with Daiichi Sankyo Co Ltd on a hotly-tipped experimental treatment for breast cancer, in a direct challenge to the world’s biggest cancer drug maker Roche.

Guided by computer simulations, an international team of researchers has developed an adhesive patch that can provide support for damaged heart tissue, potentially reducing the stretching of heart muscle that’s common after a heart attack.

In new report, Harvard Med, Google scientists outline the promises and pitfalls of machine learning in medicine