You can check up on others and ask what they’re doing. Keep an eye out for suspicious activity and if you feel like someone is in danger, intervene by making responsible choices, depending on how severe the situation is. The benefit of looking out for others safety is also making sure of your own so always be aware of your surroundings.
It is because adults who have learned about medicines know whats right for you
To add on to what the other person said that is the WHO (world health organizations) definition of health :)