Send us a text Approximately 40% of the risk for cognitive decline is preventable through lifestyle changes and proactive measures. Nearly 7 million Americans are affected by Alzheimer's, with numbers expected to double in the coming decades. It's the sixth leading cause of death, costing the US around $800 billion annually. Not Inevitable : Cognitive decline is not an inevitable part of aging, as demonstrated by figures like Barbara Walters and Henry Kissinger, who remained mentally sharp well into their later years. Part 2: Strategies That Work Exercise : Regular physical activity is associated with a 28% reduction in the likelihood of Alzheimer's. Dancing , in particular, has shown benefits due to its combination of physical and mental engagement. Sleep : Adequate sleep (around seven hours per night) is crucial, with poor sleep increasing the risk of Alzheimer's by 68% . Smoking : Smoking cessation is critical, as smoking is linked to 5% of dementia cases. Blood Pressure Control : Managing hypertension can greatly reduce the risk of cognitive decline Obesity and Diabetes : Both conditions are associated with an increased risk of dementia. Sauna Use : Regular sauna use correlates with a reduced risk of dementia, with benefits increasing with frequency of use and time/session. Hearing Loss : Treating hearing loss may lower the risk of cognitive decline by maintaining cognitive stimulation. Alcohol Consumption : Reducing alcohol intake can decrease the risk of cognitive impairment. Social Engagement : Maintaining strong social connections is associated with a reduced risk of dementia. Part 3: Strategies That Don't Work Omega-3 Supplements : No substantial evidence supports their role in preventing cognitive decline. Brain-Focused Diets : Diets like the MIND diet have not shown significant benefits in reducing cognitive decline in clinical trials. Part 4: Unclear or Emerging Strategies Probiotics , Viagra , and Multivitamins may have benefits. Brain Training Games : While they may improve specific skills, there is limited evidence that they prevent general cognitive decline. Newer approaches have some promising results