"The government's medicines safety watchdog is to investigate widely prescribed asthma drugs amid concerns about their safety record and new evidence suggesting that some patients may be genetically predisposed to react badly to them.The Medicines and Healthcare Products Regulatory Agency is to review the benefits and risks of inhaled drugs designed to prevent severe asthma attacks. The drugs are known as Labas: long-acting beta-agonists, and were developed 20 years ago as a rescue remedy for patients with severe asthma. They work by opening the airways for up to 12 hours and preventing symptoms when the usual steroids treatment does not work." Click here to read the article.