ResearchKit app will visualise asthma's impact on the UK

Outdoor air pollution causes around 40,000 deaths a year, according to new research from the Royal College of Physicians.
Cancer, asthma, stroke and heart disease, diabetes, obesity and changes linked to dementia have also been linked to pollution and, according to the report, "the health problems from exposure to air pollution have a high cost to people who suffer from illness and premature death, to our health services and to business" -- a cost of more than