Dealing with stomach acid reflux can sometimes be a headache, with advice often including lying on one side, not lying down after eating, changing diet, chewing slower or quitting smoking. And while there are pills to take against reflux, it turns out they too could be a headache – a literal one – as a team of US scientists believes the medications could be causing migraines, in addition to the known side effect of heartburn. “People who take acid-reducing drugs may have a higher risk of migraine and other severe headache than people who do not take these medications,” they found, after examin…