He has been specially trained to support a teenager with epilepsy by alerting her and her family to an impending seizure. But two-year-old golden retriever Louie has not been seen for a fortnight ...

Josh has a vagus nerve stimulator - a device meant to help control seizures - implanted in his chest, though it doesn’t always stop them. “If he hadn’t calmed down and went home to rest, even with the ...