Great Lakes Rheumatology | CBD Oil Great Lakes Rheumatology Posted: Jan 22, 2020 / 04:17 PM EST / Updated: Jan 22, 2020 / 04:17 PM EST What should we know about CBD oil? Great Lakes Rheumatology of Lansing explains which CBD oils are the best for consumers and how the oil is used as an alternative to some medications. For more great tips from Great Lakes Rheumatology, click here