New theory: CO2 makes you fat: Danish researchers: ‘Perhaps we are getting fatter & fatter because of the increasing CO2 levels in the atmosphere’
'Orexins – which are neuropeptide hormones – in the brain stimulate wakefulness and energy expenditure. These hormones may be affected by CO2, and this can cause us to go to bed later, affecting our metabolism so it is easier for us to put on weight. But orexins are also involved in the stimulation of food intake. Obesity may follow CO2 concentration'
