How it enters
Which nerve allows pollutants direct access to the brain?
Olfactory
Which organ is most affected by long-term air pollution
Brain
Which organ besides the brain is commonly affected by pollution?
Lungs
What kind of studies do most findings come from?
Observational
What’s another word for tiny harmful particles in air?
Pollutants
What other path lets air pollution reach the brain?
Bloodstream
Which ability declines due to exposure to dirty air?
Memory
What is one heart condition linked to polluted air?
Stroke
What’s hard to prove about air pollution effects?
Causality
What word describes damage to brain structure?
Atrophy
What part of the nose bypasses the blood-brain barrier?
Nasal cavity
What type of inflammation is caused by air pollution in the brain?
Neuroinflammation
What chronic illness is triggered by air quality?
Asthma
Which group is hard to track over many years?
Children
What word means something is more dangerous for certain groups?
Vulnerability
What tiny particles travel through the air into our body?
PM2.5
Which test showed slower thinking in polluted areas?
Cognitive test
What organ is linked to both air and brain health?
Heart
What kind of pollution varies by region?
Air quality
What does PM2.5 refer to?
Fine particles
What system defends the brain but can be bypassed by pollution?
Blood-brain barrier
What part of the brain shrinks due to air pollution?
White matter
Which long-term disease may be linked to pollution?
Dementia
What’s often missing in developing countries' data?
Monitoring
What’s the term for polluted gas in the air?
Smog