![]() However, for participants who participated in vigorous physical activity, scientists could identify a minimal amount of 40 minutes per week and an optimal amount of 140 minutes per week for reducing Alzheimer’s disease-related death. “It could also be that question to collect moderate activity did also include some forms of lighter activities.” “ could be that moderate intensity is not enough to elicit an optimal response to affect Alzheimer’s disease or its prevention,” Dr. Scientists found 2,176 study participants died due to Alzheimer’s disease as the leading cause.įor participants who self-reported doing moderate physical activity, the researchers did not find a significant association with Alzheimer’s disease-related mortality. Researchers then linked survey participants to the National Death Index until December 31, 2019, looking for anyone who had an Alzheimer’s disease-related mortality. Regular vigorous activity may protect against dementia Types of vigorous physical activity include: They were then asked the same two questions regarding vigorous leisure-time physical activities that would cause heavy sweating or large increases in breathing or heart rate. Survey participants were asked to detail how often they performed light or moderate leisure-time physical activities that would cause only light sweating or a slight to moderate increase in breathing or heart rate and how long they normally perform these activities.Īccording to the National Heart, Lung, and Blood Institute, some examples of moderate physical activities are: National Health Interview Survey from 1997 to 2018, for a total of more than 91,0000 study participants ages 68 or older.ĭuring the interview surveys, participants were asked to self-report the frequency and type of physical activity they were doing. Research published in September 2022 found that only walking 4,000 steps a day could reduce a person’s dementia risk by 25%.Ī study published in June 2022 stated that physical activity could help lower the incidence of all-cause dementia and Alzheimer’s disease, even in longer follow-ups.įor this study, researchers gathered data from 22 consecutive waves of the U.S. del Pozo Cruz told Medical News Today.Ī study presented at the American Academy of Neurology’s 74th Annual Meeting in 2022 reported that those who actively engaged in cardiorespiratory fitness reduced their overall dementia risk by 33%. ![]() “However, guidelines are generic and do lack direction as to how much and what to do to maximize the benefits of physical activity,” Dr. Cruz said the researchers decided to examine the difference between moderate and vigorous physical activity and dementia-related mortality because the disease is quite prevalent, and physical activity is often recommended as a means of prevention of Alzheimer’s disease. Borja del Pozo Cruz is a principal researcher in applied health sciences at the University of Cadiz and INIBiCA in Spain, an adjunct associate professor in the Department of Sports Science and Clinical Biomechanics at the University of Southern Denmark, and the lead author of this study.ĭr. How does physical activity affect dementia risk?ĭr.
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