More than 57m people live with dementia worldwide, with almost 10m people getting diagnosed every year.
WHO Updates Guidance on Modifiable Dementia Risk Factors
The updated guidance from the World Health Organization reflects significant growth in the evidence base since the agency first issued recommendations on dementia risk reduction in 2019. According to Suzanne Timmons from the centre for gerontology and rehabilitation at University College Cork, the new framework focuses people’s minds on proactive prevention by highlighting actionable steps individuals can take to reduce their risk of cognitive decline.
The recommendations focus on addressing unhealthy behaviours, managing medical conditions, and reducing exposure to environmental factors that contribute to brain diseases. Dementia is a condition caused by underlying brain diseases that impact memory, thinking, and the daily ability to function.
Lifestyle Interventions and Environmental Protections
The expanded WHO advice includes specific lifestyle interventions and environmental safeguards designed to protect cognitive health. Key recommendations include increasing physical activity, stopping tobacco use, reducing alcohol consumption, and adopting a healthy diet. Notably, the updated guidelines introduce a specific recommendation to reduce exposure to air pollution.
For adults who have normal cognition or are experiencing mild cognitive impairment, the guidelines recommend cognitive training, cognitive stimulation, and regular engagement in social activities.
Did you know?
Almost 10m people get diagnosed every year across the globe, bringing the total number of people living with the condition to more than 57m.
Expert Perspectives on Physical Activity and Smoking Cessation
Among the strongest evidence cited in the WHO guidelines is the direct link between physical activity and a reduced risk of cognitive decline, according to Ms. Timmons. Increasing physical activity is proven to lower dementia risk, prompting her to emphasize that the best exercise is simply the physical activity an individual can successfully build into their daily routine.
Stopping tobacco use remains another cornerstone recommendation of the updated guidance. As noted by Ms. Timmons, quitting smoking carries zero risk, yields immediate financial savings, and offers unambiguous long-term health benefits for anyone looking to safeguard their cognitive future.
Pro Tip from Health Experts
Focus on sustainable habit changes rather than drastic overhauls. Building small increments of daily physical activity into your schedule provides proven risk reduction without unnecessary friction.
Frequently Asked Questions
What percentage of dementia risk can be prevented?
According to the World Health Organization, up to 45% of dementia risk can be prevented or delayed by addressing modifiable risk factors.
What are the new additions to the WHO dementia guidelines?
The updated guidelines place a stronger emphasis on reducing exposure to air pollution alongside established factors like physical inactivity, tobacco use, and alcohol consumption.
How does physical activity impact cognitive health?
According to Suzanne Timmons from University College Cork, increasing physical activity is proven to reduce the risk of developing dementia.
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