A
(3)
| C
(3)
| D
(4)
| F
(1)
| G
(2)
| H
(1)
| I
(1)
| L
(2)
| M
(2)
| N
(1)
| O
(1)
| P
(4)
| R
(1)
| S
(2)
| U
(1)
| W
(5)
| Y
(2)
Risk factors
Potentially modifiable causes of disease and injury. (For example, smoking is a risk factor for lung cancer. People who stop smoking reduce their risk of getting lung cancer.)
