I took Advil when I got severe headaches, and it helped within 20 minutes. Tylenol was not effective.
What is Expertise?
Expertise points are tabulated based on community ratings of contributions. Up-votes and down-votes are counted at different levels. Community Rights are earned as expertise points are accrued.
What are Contributions?
Contributions are based on updates made to articles, questions asked and answered, and comments.