More than one billion people now obese - study Health Previous Article More than a billion people living with obesity Next Article Poor spatial navigation could predict Alzheimer's disease years before the onset of symptoms Researchers say there is an urgent need to change how the condition is tackled as it rises worldwide.Read more https://www.bbc.co.uk/news/health-68436642 Previous Article More than a billion people living with obesity Next Article Poor spatial navigation could predict Alzheimer's disease years before the onset of symptoms