Weight loss surgery has helped "reverse" a diabetes diagnosis in some patients, according to a health chief.
Professor Mark Baker, director of the Centre for Clinical Practice at Nice, defended guidelines which recommended bariatric surgery to those with a BMI of 30 or above if they also had type 2 diabetes.
Updated evidence suggests people who are obese and have been recently diagnosed with type 2 diabetes may benefit from weight loss surgery.
More than half of people who undergo surgery have more control over their diabetes following surgery and are less likely to have diabetes related illness; in some cases surgery can even reverse the diagnosis.
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Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.
Windy this weekend with gales across northwestern parts of the UK. Rain spreading southeast.
Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."