Thinking is ‘just as exhausting as manual labour’, experts reveal

THINKING hard tires you out like manual labour, a study has found. Experts say desk jobs are as exhausting for the brain and body as physical work. 1 People who rack their brains show the same signs of tiredness as if they were physically worn out Credit: Getty – Contributor Long periods of concentration cause toxic chemicals to build up in the brain, meaning it must power down to protect itself, making us feel tired. People who rack their brains show the same signs of tiredness as if they were physically worn out, including smaller pupils and lazy decision-making. In… Read Full Article