By Charlotte Smith A health expert has warned that some professions could increase the risk of developing dementia by up to 60%. Brain professor David Raichlen, who specialises in human and evolutionary biology at the University of Southern California, shared the alarming warning on a recent episode of Steven Bartlett’s podcast, Diary of a CEO. Professor Raichlen, whose work includes researching links between exercise and brain health, discussed the impact of long periods of sitting on the brain. He warned that people who sit for many hours a day, whether due to their lifestyle or job, are at …