Assertion: aspartame | /r/Causes | headache
Facets:
value: in some people
type: OTHER
Source sentences:
text: For example, it has been suggested that aspartame may cause headaches, epilepsy and brain tumors.
text: A separate question is whether or not aspartame causes headaches in some people.
text: Since aspartame was first used, some people have contended that it causes headaches or dizziness.