A new study has linked construction site noise to health problems, including heart attacks.Danish researchers have suggested that every 10dB increase in noise exposure amplifies the chance of heart attack by 12 percent.The findings back up long-held worries from within the construction industry, where powerful tools can generate sounds of up to 85dB.Experts are now demanding that authorities use the research to regulate noise levels on building sites.Peter Wilson, from noise reduction experts Echo ...