We all want to stay fit and healthy. But how can technology help ? Shiona McCallum discusses new health tech on display at the world's biggest consumer electronics trade show. And if you own cryptocurrency - beware. Thieves could be targeting you. The BBC's Cyber Correspondent, Joe Tidy, joins us to explain more.

Presenter: Shiona McCallum

(Image: A photo of Shiona McCallum wearing an LED face mask. The room is dark and the transparent face mask covers Shiona's face. The light emitting from the mask gives Shiona's face a red glow. Credit: BBC.)