{description}The next time you reach for that bottle of Advil or that cup of coffee as you try to fend off an on-setting headache and to gain a few more hours for that problem set, consider this: you may be contributing to the presence of ibuprofen and caffeine in coastal oceans and inadvertently affecting coral reefs and other coastal ecosystems. In a study conducted by Dr. Adina Paytan, assistant professor of Geological and Environmental Sciences at Stanford, and her team of Stanford University researchers, Dr. Alexandria Boehm and students in Civil and Environmental Engineering, found that groundwater discharge is a source of pollution for coastal waters. {/description}