Lecture 18: Declining CVD and rising obesity

Question 1

Describe the trend of mortality over the last 50 years;

Answer 1

Rates of mortality have decreased - We are living longer across both genders and races (some inequity still exists)

Question 2

What other trends are decreasing? and whats increasing?

Answer 2

• Vascular disease mortality is decreasing
• Cancer mortality is decreasing
• Obesity is rapidly increasing

Question 3

Why is coronary and stroke mortality falling but obesity is rising?

Answer 3

We are consuming more energy thus putting on more weight.

• But we now have fridges (less salt)
• Saturated to unsaturated fats (less LDL cholesterol and CHD risk)
• Smoking less
• New medications are a minor contribution i.e statins

Question 4

When we say CVD what do we include in that?

Answer 4

• Cardiovascular disease
• Ischeamic heart disease
• Cerebrovascular disease
  i. e very broad range

Question 5

Whats the biggest contributor of SF in nz?

Answer 5

Butter

Question 6

Whats the most consumed meat in NZ?

Answer 6

Chicken now, has least fat

Question 7

Whats happening to the mean BMI of men and obesity rates?

Answer 7

Mean BMI is increasing

• Obesity is surging