Genetics & Research Study identifies factors affecting survival of patients with metastatic breast cancer Rethinking how bone marrow works with a unified framework Study shows ads for prescription smoking cessation drugs help reduce smoking rates, but OTC ads fall short New study shows AI chatbots systematically violate mental health ethics standards Predicting physical activity change after a cardiovascular diagnosis Open-source mobile network for controlling robotic arms could enable remote medical procedures Health policy tool integrates personal decision-making into disease prediction model 'Holy grail' blood test for more than 50 cancers brings 'exciting' results Hip or shoulder? Location matters for bone marrow used in joint repair Guidance on the safe use of large language models in oncology practice AI system delivers comprehensive cancer diagnosis Precision reprogramming: How AI tricks cancer's toughest cells Teaching end-of-life care: Q&A with professor of medicine Grid cells create multiple local maps rather than single global system for spatial navigation, study finds New white paper urges policymakers to modernize practice laws to unlock AI's full potential in health care