Such claims are nothing new: Self-proclaimed health prophets and doomsayers have been around for a long time, promising to ...

Achalasia, a chronic oesophageal motility disorder, is defined by impaired lower oesophageal sphincter relaxation and absent peristalsis, leading to symptoms such as dysphagia and regurgitation.

The swift rise in diagnoses for everything from autism to ADHD may be doing more harm than good.