Inclusion Criteria:  Are over the age of 18 years Consume at least 150 mg of caffeine a day Do not have any cognitive problems Are not pregnant Do not have a medical condition that prevents you to exercise Do not have an orthopaedic limitation Have access to a telephone or an email account for communication Can read and write in English  Exclusion Criteria:  Participants taking prescription medication for depression or anxiety Participants that cannot give informed consent will be excluded.