Getty ImagesResearchers say they have found the first new treatment for asthma attacks in 50 years. The injection dampens part of the immune system that can go into overdrive in flare-ups of both asthma and a lung condition called chronic obstructive pulmonary disease (COPD).Benralizumab is already used in the most severe cases, but the latest research suggests it could be used routinely for around two million attacks in the UK each year. The research team at King's College London said the drug ...