Extremely quiet fans can improve our health
We spend more of our time indoors than ever. But the noise levels we are exposed to at home, in workplaces and schools have been shown to increase the risk of high blood pressure, mental illness and hearing damage – and may even have a detrimental effect on children's cognitive development. Now, a unique new study from Chalmers University of Technology, Sweden, has identified and eliminated the harmful noise that occurs in ventilation system fans – something that could significantly improve our physical and mental health. Today, we spend as much as 87% of our lives indoors,