Being part of a stressful job can increase a person’s risk of developing asthma by 40 percent, reveals a new study. The research led by Heidelberg University in Germany tracked 5,000 men and women aged between 40 and 65 over eight years. They found that among those free of asthma at the start of the project, there was up to a 40 percent higher incidence of asthma eight years later if they suffered stress at work. The signs were long working hours, … full story