Quiz:

1. At what age does the human brain typically reach its maximum size?
   A: 10 years
   B: 20 years
   C: 40 years
   D: 60 years
2. True or False: New brain cells can form in adulthood.
3. Which lifestyle factor is most strongly linked to maintaining cognitive health into old age?
   A: Social engagement
   B: High-protein diet
   C: Watching TV
   D: Avoiding all stress
4. Name one activity that research shows can help slow age-related cognitive decline.
5. True or False: The risk of dementia doubles every five years after age 65.
6. Which diet pattern has been shown to support brain health and lower dementia risk?
   A: Mediterranean diet
   B: High-sugar diet
   C: Carnivore diet
   D: Juice cleanse
7. What is the term for the brain’s ability to adapt and form new connections throughout life?
   A: Neuroplasticity
   B: Neurotoxicity
   C: Neurogenesis
   D: Neuropathy
8. True or False: Regular physical activity can help improve memory and thinking skills.
9. Which vitamin is especially important for brain health and is often lower in older adults?
   A: Vitamin C
   B: Vitamin D
   C: Vitamin K
   D: Vitamin B12
10. What type of brain exercise has been shown to help maintain cognitive sharpness?
    A: Learning a new language
    B: Doing repetitive chores
    C: Watching reruns
    D: Sleeping all day

Answers:

1: B (20 years)
2: True (Neurogenesis can occur in certain brain regions)
3: A (Social engagement)
4: Examples: Physical activity, lifelong learning, Mediterranean diet, mindfulness
5: True
6: A (Mediterranean diet)
7: A (Neuroplasticity)
8: True
9: D (Vitamin B12)
10: A (Learning a new language)

Reflection: Which fact surprised you most? What’s one thing you’ll do this week for your brain health?