Clinical Research Directory

Inclusion Criteria: * Age, 18-50 years * Sex, Male and Female * Informed Consent, The capability and willingness to give written informed consent to understand the exclusion criteria and to accept the randomized group assignment is required. * PAR-Q+, The capability and willingness to complete the physical activity readiness questionnaire, with no medical clearance needed. * Physical Activity: Participants must refrain from regular HIIT and structured breathing practices for a month before participation * Depression, Anxiety, and Stress Scale, Subcategory Scoring (DASS-21) Participants must score in the mild or greater category for Depression, Anxiety, and Stress. Depression ≥ 10, Anxiety ≥ 8, and Stress ≥ 14. Exclusion Criteria: * Age: Individuals under 18 years and over 50 years * Significant Respiratory Conditions, including but not limited to asthma, chronic obstructive pulmonary disease, * Significant Cardiovascular Disease: Participants with a known cardiovascular condition such as a previous myocardial infarction, congestive heart failure, stroke, or transient ischemic attack, cardiomyopathy, serious arrhythmia, peripheral vascular disease, untreated atherosclerosis, or hypertension. * Significant Musculoskeletal Disease, including but not limited to osteopenia, osteoporosis, rheumatoid arthritis, and sarcopenia * Cognitive and Mental Health, including but not limited to untreated anxiety, untreated depression, post-traumatic stress disorder, and thoughts of suicide.