Obesity - Bio

Question 1

Why may some individuals never achieve satiation signals? (Obesity-bio eating)

Answer 1

Deficient or resistant to leptin

Question 2

What did Zhang (1994) find? (Obesity-bio eating)

Answer 2

Mice with the ob/ob genre were genetically predisposed to obesity, no leptin hormone is produced

Question 3

What did Montague et al (1997) find? (Obesity-bio eating)

Answer 3

studied 20 ob/ob positive, obese children and were given leptin injections daily. They lost 1/2kg per month

Question 4

What did Davison et al (2005) find? (Obesity-bio eating)

Answer 4

Obese families promote obese lifestyles (obesogenic)

Question 5

Why is seeking out calorific foods now an Unadaptive gene? (Obesity-bio eating)

Answer 5

High availability of food

Question 6

What did Neel (1962) find? (Obesity-bio eating)

Answer 6

There may be a gene that was naturally selected to enable humans to survive in the EEA. Being insulin resistant would enable food to be metabolised efficiently

Question 7

What did Rowe et al (2007) find? (Obesity-bio eating)

Answer 7

Studied Pima Indians (low levels of obesity) and concluded they have a thrifty metabolism

Question 8

After an in-depth analysis of Rowe’s findings, what was concluded? (Obesity-bio eating)

Answer 8

Two types of Pima Indians; those that lived around different food types (obese) and those that did not (not obese)

Question 9

What did Hetherington and Ranson (1942) find? (Obesity-bio eating)

Answer 9

When rats VMH was damaged they would significantly overeat