As a pioneering new treatment wins NHS approval, Helen Chandler-Wilde explores the best ways to relieve the pain

We are all familiar with the debilitating pain of a headache. They are extremely common – four out of five of us suffer with tension headaches and one in seven have migraines – and can have a serious impact on quality of life. Headaches remain a leading cause of absence from work, costing the UK economy £8.8bn (about R166.8bn) a year in lost productivity, according to a study in 2018...