New Delhi, March 22 -- That trusty office coffee machine might be doing more than just keeping you awake during long meetings-it could also be subtly impacting your heart health. A new research from Sweden has suggested that your workplace caffeine fix may be linked to higher cholesterol levels, potentially increasing cardiovascular risk over time.

Coffee is often praised for its health benefits, from improving focus to providing antioxidants, but not all coffee is created equal. Since the 1980s, scientists have known that unfiltered coffee can raise LDL cholesterol-the "bad" kind linked to heart disease.

Now, researchers from Uppsala University and Chalmers University of Technology have discovered that coffee brewed in workplace machin...