Lecture 1: Introduction to Ageing

Question 1

What is a goodish biomarker for age?

Answer 1

Grip strength

Question 2

What proportion of people were over 45 in the Ohio hunter gatherer group?

Answer 2

2.9%

Question 3

What were people dying off in the Ohio hunter gatherer group?

Answer 3

Extrinsic mortality eg. famine, violence, infections and harsh winters

Question 4

What was the US life expectancy in 1900?

Answer 4

47.3

Question 5

What was the US life expectancy in 1955?

Answer 5

69.6

Question 6

What was the US life expectancy in 2017?

Answer 6

78.6

Question 7

What is the current life expectancy for men and for women in the UK?

Answer 7

Men: 79.4
Women: 83.1

Question 8

What is the fastest growing age range?

Answer 8

75 and older

Question 9

Which has increased in cause of death from 1955 to 2017, cardiovascular disease or cancer?

Answer 9

Cancer

Question 10

Apart from cancer, what other types of death have been increasing?

Answer 10

Suicide
Drug overdose
Liver issues from alcohol missuse

Question 11

Most measures of ageing are what based?

Answer 11

Demographic

Question 12

What are the x and y axis or survival curves?

Answer 12

X= days
Y= proportion surviving

Question 13

In Gompertz parameters, what is A and what is G?

Answer 13

A= extrinsic mortality 
G= intrinsic mortality

Question 14

In the Gompertz parameters, is A or G considered genetic?

Answer 14

G