Sham Comparator: Filtered Air

Participants of the sham group will also perform sub-maximal exercise (60% of VO2max for 30 minutes) on a cycle ergometer similar to intervention. However, only in this group, the ozone generator will not be activated so that just filtered air will be delivered to the participant while performing each exercise session.

Behavioral: Exercise

Cycling at 60% of VO2max on a cycle ergometer for 30min

Other: Filtered Air

Breathing filtered air

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