China facing obesity crisis as forecasts predict 65% will be overweight by 2030 / Obesity will affect over half of adults in 25 years, study predicts / Is obesity a disease? / Obesity label is medically flawed, says global report / Spanish researchers discover a 'fat burning' mechanism to fight obesity / Targeting brain's memory systems can help tackle overeating, obesity: Study / A new definition of obesity could help treat millions of people / Doctors tweak guidelines to redefine obesity for Indians / Global expert panel suggests overhauling how obesity is diagnosed, says BMI is not enough / Call to overhaul obesity diagnoses amid fears of over-reliance on BMI