Americans care deeply about brain health but lack knowledge
- 99% of surveyed adults 40+ say brain health is as important as physical health.
- Only 9% feel they know “a lot” about how to protect it.
- Survey included 3,800+ adults and was conducted by the Alzheimer’s Association and University of Michigan.
Lifestyle habits matter — but many struggle to maintain them
- 50% get at least 7 hours of sleep
- 39% follow a healthy diet
- 34% are physically active most days
- 42% get adequate mental stimulation
Experts emphasize that the combination of sleep, activity, nutrition, and mental engagement is what protects the brain over time.
Genetics play a role, but risk is still highly modifiable
- APOE gene variants increase Alzheimer’s risk, but “genes are not destiny.”
- The U.S. POINTER study showed that structured lifestyle interventions improved cognitive scores—equivalent to being up to two years younger cognitively.
Ten habits that lower dementia risk
The Alzheimer’s Association lists these protective behaviors:
- Challenge your mind
- Stay in school
- Get moving
- Protect your head
- Be smoke free
- Control blood pressure
- Manage diabetes
- Eat right
- Maintain a healthy weight
- Sleep well
Midlife (ages 35–64) is a critical window for brain health
- 38% of respondents correctly identified midlife as the ideal time to act.
- Brain changes linked to Alzheimer’s begin decades before symptoms.
- Midlife is when neurodegeneration drivers accelerate but are still modifiable.
Addressing health issues early protects long term cognition
- Treat sleep apnea
- Correct hearing and vision loss
- Avoid excessive alcohol
- Monitor physical and mental health conditions
Don’t wait — the earlier you start, the better. It’s never too late to improve brain health. The Northwestern SuperAging Program shows people in their 80s can maintain memory like someone 20–30 years younger.
Late life risk factors still matter:
- Social isolation (5% of dementia cases worldwide)
- Air pollution (3%)
- Vision loss (2%)
Dementia remains a major U.S. public health challenge
- 7.4 million Americans live with Alzheimer’s.
- 2026 dementia related health care costs: $409 billion.
- Unpaid caregiving: $446+ billion provided by nearly 13 million Americans