Lifestyle & Non-Communicable Diseases (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Non-communicable diseases (NCDs)
Non-communicable diseases (NCDs)
Not infectious & cannot be passed person to person
Global impact of NCDs
Global impact of NCDs
Leading cause of death worldwide
Financial impact of NCDs
Financial impact of NCDs
Significant strain on healthcare systems & economies
NCDs effect on working-age populations
NCDs effect on working-age populations
Reduce productivity & hinder economic growth
Three types of NCD risk factors
Three types of NCD risk factors
Lifestyle, environmental, substances in body
Risk from diet high in saturated fats & cholesterol
Risk from diet high in saturated fats & cholesterol
Cardiovascular disease
Examples of environmental risk factors
Examples of environmental risk factors
Asbestos fibres or UV rays
Correlation meaning
Correlation meaning
Two factors increase or decrease together
What's needed to establish causation
What's needed to establish causation
Causal mechanism
Effect of high LDL (bad) cholesterol
Effect of high LDL (bad) cholesterol
Blocked arteries & increased blood pressure
Exercise benefit for cardiovascular health
Exercise benefit for cardiovascular health
Lowers blood pressure
How obesity causes Type 2 diabetes
How obesity causes Type 2 diabetes
Impairs cells' ability to absorb sugar
Excessive alcohol effect on liver
Excessive alcohol effect on liver
Fatty liver, may progress to liver failure
Alcohol effect on brain
Alcohol effect on brain
Damages nerve cells
Smoking effect on lungs
Smoking effect on lungs
Damages cells lining lungs