smoking

Question 1

lead to

Answer 1

to bring as a result

Question 2

addiction

Answer 2

a habit that has become impossible to break

Question 3

harm

Answer 3

= to do harm / harmfull
≠ harmless
to have a damaging effect on something or somebody

Question 4

addict

Answer 4

a person dependant on a habit such as smoking

Question 5

addictive

Answer 5

cocaine is an addictive substance

Question 6

addicted

Answer 6

a person who is addicted to alcohol is an alcoholic

Question 7

growing

Answer 7

gradually increasing

Question 8

study

Answer 8

to investigate a subject meticulously

Question 9

evidence

Answer 9

facts or physical signs that help to show or prove that something is true

Question 10

mean age

Answer 10

the total number of years divided by the number of individuals

Question 11

researcher

Answer 11

a person who does research

Question 12

the lungs

Answer 12

the two organs in the thorax that fills with air when one breathes

Question 13

sample

Answer 13

a small quantity of a substance used for medical tests

Question 14

breakdown product

Answer 14

a metabolite

Question 15

youngster

Answer 15

a child or a young person

Question 16

take up

Answer 16

to begin, to start an activity

Question 17

research

Answer 17

the methodical quest for new knowledge and better understanding

Question 18

amount

Answer 18

a quantity

Question 19

account for

Answer 19

to take into consideration, to take into account a relative quantity, standard or degree

Question 20

survey

Answer 20

to collect data and information in the course of a study

Question 21

chances

Answer 21

probability, likelihood

Question 22

design

Answer 22

to plan or to intend for a particular purpose

Question 23

findings

Answer 23

formation resulting from research