The sound of airplanes flying overhead late at night is linked to a slight increase in hospital admissions for heart-related problems the following day, a study suggests. Researchers combined hospital admissions and mortality data with environmental modeling to assess short-term associations between aircraft noise and cardiovascular events the following day in a population of 6.3 million residing near Heathrow Airport between 2014-2018. Risks of airplane noise They found that a 10 decibel increase in noise during the previous evening and previous early morning was associated with a small increase in risk for all cardiovascular disease admissions. This risk was most...