Stranded NASA astronaut Sunita Williams finally breaks silence about frightening weight loss in video from space

A stranded NASA astronaut has broken her silence about fears her health has deteriorated aboard the International Space Station with a bizarre explanation. Dr Gupta told DailyMail.com: 'Her cheeks appear a bit sunken - and usually it happens when you've had sort of total body weight loss. NASA astronaut Sunita Williams has broken her silence about fears that her health has deteriorated since becoming stranded on the International Space Station Williams spoke with the New England Sports Network Clubhouse Kids Show Tuesday while more than 250 miles above Earth's surface. Concerns of her weight loss surfaced after a photo appeared to show her with 'sunken' cheeks, Dr Gupta told DailyMail.com last week: 'What you're seeing there in that picture is somebody that I think is experiencing the natural stresses of living at a very high altitude, even in a pressurized cabin, for extended periods. 'Her cheeks appear a bit sunken - and usually it happens when you've had sort of total body weight loss,' Dr Gupta added.