We don't. Give her a shot of B12. If she gets better, I was right.
This is pointless. If the headache was caused by the illness, it means she has a B12 deficiency. If it's just because she was sad, it's meaningless. How the hell do we test for that?
A couple of years ago she was a model student.
A couple of years ago she was a model student. [SEP] This is pointless. If the headache was caused by the illness, it means she has a B12 deficiency. If it's just because she was sad, it's meaningless. How the hell do we test for that? [SEP] We don't. Give her a shot of B12. If she gets better, I was right.