You can be any age! But I wouldn't recommend it if you want to get a job
Qi. (che) [Chinese] chi or ch'i; one of the basic substances that according to traditional Chinese medicine pervade the body; a subtle influence or vital energy that is the cause of most physiologic processes and whose proper balance is necessary for maintaining health.
i hope this helps
True
dehydration can cause serious problems with your body.
the body needs water to function and without it ,it destroys you very slowly.