Which one is correct?

"There are studies and research that supports categorizing obesity as a mental disorder..."

or

"There are studies and research that support categorizing..."

3 answers

The second one is correct.

Subjects are "studies" and "research" -- a compound subject, actually, and therefore plural.

Plural verb forms do not have -s on them.

Let me know if you don't see this.

=)
thank you!!
YW!!