Escolar contains high levels of an indigestible substance called wax esters, which can have a laxative and purgative effect in large quantities.

A resurgence in bluefin tuna stocks means more UK restaurants are adding it to their menus, with some even putting on ceremonial meals that sees the fish broken down and filleted in front of diners ...

If you're looking for ways to save on your grocery bill but still include heart-heathy seafood, consider these alternatives ...