11.   Today the jury is out on whether food can really cause nightmares.

12.   Unfortunately, however, the procedure could lead to nasal regurgitation caused by food going up the back of the nose, and occasionally a speech defect.

13.   And Lagergren said there is no proof of the widely held belief that spicy foods cause acid reflux or heartburn.

14.   Do genetically engineered foods cause new allergies?

15.   He was taken to hospital where he died three days later of bronchopneumonia caused by food entering his lungs, the report said.

16.   Much of the pollution in fish farms is caused by food that rots on the sea bed, and is not swept away by a current.