Why would a teenage girl spend up to two weeks in hospital?

Can you pleas elist all the reasons you can think of? Thatnk youWhy would a teenage girl spend up to two weeks in hospital?
anyone that has to spend any time in the hospital is apparently sick. or had surgery,Why would a teenage girl spend up to two weeks in hospital?
sickness





broke a bone
My diagnosis:


Traumatic Brain Injury secondary to the wonders of being a teenager related to a motor vehicle accident.
A very serious sickness such as can occur with cancer for some, or mental health issues is another possibility.
WHY?





Theres so many different reasons , surgery , mental illness , having too do physiotherapy everyday , iv drugs...
she is very sick!
i was in the hospital 4 a week and a half when i had my spine fixed and mono phnemonia psychological problems