Weekend warriors have the same risk of mild dementia as more frequent exercisers, study suggests [Video]

People who only exercise on weekends have a similar risk of developing mild dementia to those who work out more frequently, a new study has found.Video above: Poor sleep in middle age can increase your risk of dementia laterWeekend warriors who engage in one or two sessions of exercise a week were the focus of the research, published online Tuesday in the British Journal of Sports Medicine.A team of academics from Latin America and Europe set out to determine whether the frequency of exercise affects the risk of developing mild dementia.Researchers found that not only was the weekend pattern of keeping fit potentially as effective in staving off the condition, but that it may also be easier for people with busy lifestyles to achieve.The scientists examined two sets of survey data from the Mexico City Prospective Study, a longitudinal study that followed the health of thousands of people in the …