Almost a third of asthma cases are attributable to long-term exposure to fine particular matter, global study suggests / Experts in Spain predict increase in childhood asthma cases this Autumn / NHS doctor warns heating can worsen asthma and other conditions / Rise in Covid jab rates may protect children against asthma attacks, study finds / Gas stoves may contribute to early deaths and childhood asthma, new Stanford study finds / Gas stove emissions increasing childhood asthma rates, adult deaths: Stanford study / Gas and propane stoves linked to 50,000 cases of childhood asthma, study finds / New cause of asthma damage revealed / For Big Oil, deadly childhood asthma is the cost of doing business / Gas cookers pump out pollutants linked to childhood asthma, report finds