Trench mouth, also known as necrotizing gingivitis, is a severe gum disease caused by different types of bacteria. It is a non-contagious condition that leads to painful, bleeding gums and open sores ...

March 31 (Reuters) - One of the world's largest aircraft leasing companies, BOC Aviation (2588.HK), opens new tab, will purchase 120 single-aisle planes from Airbus (AIR.PA), opens new tab and ...