More than four-fifths (83%) of employers have observed presenteeism, such as when employees come to work while ill, at their organisation; a further 25% state this has increased over the last year, according to research by the Chartered Institute of Personnel and Development (CIPD) and Simplyhealth. Its annual Health and wellbeing at work survey report, which polled 1,078 people professionals, also found that 37% have…