Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

Editing function to be limited to paying subscribers after X threatened with fines and regulatory action Grok, Elon Musk’s AI tool, has switched off its image creation function for the vast majority ...

New FDA approval language for COVID-19 vaccines is sowing confusion about which conditions put people at greater risk for severe disease and who can avoid the inconvenience and cost of off-label ...

Elon Musk’s AI chatbot Grok restricted access to a much-criticized deepfake generator on social media platform X following a surge of users creating nonconsensual nude images. Grok now says that ...

Elon Musk’s AI company has restricted Grok’s controversial AI image-generation feature to only paying subscribers on X, after the tool invited heavy criticism from across the world for letting users ...

The power of the Executive Branch is vested in the President of the United States, who also acts as head of state and Commander-in-Chief of the armed forces. The President is responsible for ...