Researchers have found that just 10 minutes of exercise before writing a test or going for an interview may improve performance. It can prime the parts of the brain that help us focus and solve problems. "Some people can't commit to a long-term exercise regime because of time or physical capacity," said study co-author, Professor at the University of Western Ontario in Canada. "This (study) shows that people can cycle or walk briskly for a short duration, even once, and find immediate benefits," he said.

The findings have implications for older people in the early stages of dementia who may be less mobile, and for anyone else looking to gain a quick mental edge in their work. During the study, the research participants either sat and read a magazine or did 10 minutes of moderate-to-vigorous exercise on a stationary bicycle. Following the reading and exercise session, the researchers…