British employees are left frustrated at bizarre health and safety rules that blight every workplace and include not being allowed to give a colleague paracetamol. A poll of 2,000 workers found many have to fill out a form to use plasters, suffer a ban on birthday cake candles and are forbidden to change a light bulbs. The study, conducted by international animal charity SPANA, also found some offices only provide plastic knives and forks, while others must tuck in their shirts when shredding paper. Geoffrey Dennis, Chief Executive of SPANA, which provides free veterinary treatment to working animals in developing countries around the world, said: “It’s clear some workers feel that health and safety rules in the workplace have gone too far – and there are certainly a few strange policies.