27.7 Pop Health: Hunter Gatherer diet

Question 1

What were the trends for:
Weight
Fasting glucose
Insulin response to glucose
Insulin secretion

After 7 weeks of a hunter gatherer diet?

Answer 1

Weight: loss
Fasting glucose: dropped
Insulin response to glucose: more of a response
Insulin secretion: increased (unless T2DM for years)

Question 2

What happened to the risk factors for heart disease on 7 weeks eating a hunter gatherer diet?

BP
Triglycerides/lipids
Bleeding time

Answer 2

BP fell
Triglycerides and lipids normalised
Bleeding time increased

Question 3

What were the three foods in this study (HG lifestyle) that comprised over 80% of the energy consumed?

Answer 3

Kangaroo (36%)
Long yams (28%)
Freshwater bream (19%)

Question 4

What was the ratio of the saturated/monounsaturated/polyunsaturated fats in the HG lifestyle?

What about n-6/n-3 ratio?

Answer 4

All equal

~1

Question 5

What was probably the most important reason for these health improvements with the HG diet? What else?

Answer 5

Low energy intake

also physical activity, high protein bulky diet

Question 6

What happened to basal hepatic glucose production, liver fat and pancreas triglycerol on a low calorie diet?

Answer 6

All fell

Question 7

What continued to fall in a 12 week post intervention test of the 8 week low calorie diet intervention?

Answer 7

Pancreatic TG continued to fall

Question 8

What did the lean meats consumed on the HG diet have a high proportion of (fat)?

Answer 8

Long chain PUFA

Question 9

What happens to the composition of battery-fed eggs?

Answer 9

Ratio of n-6/n-3 hugely increases