Inclusion Criteria:

• Age 18 to 39 years at time of consent
• A confirmed diagnosis of testis cancer (any stage)
• Completion of chemotherapy for testis cancer within 4 years prior to consent
• A score of >4 on the Distress Thermometer
• English fluency, as per medical record documenting preferred language or in the judgment of the investigator
• Spanish fluency, as per medical record documenting preferred language or in the judgment of the investigator
• Able to perform informed consent

Exclusion Criteria:

• Lifetime history of psychiatric of cognitive disturbance as per self-report or medical record
• In the judgment of the consenting professional, is unable to provide informed consent and complete study sessions and assessment
• As per self-report, has medical conditions that affect the immune system and would confound immune evaluation (e.g., autoimmune disorder, inflammatory disease; uncontrolled thyroid disease; active infection; myocardial infarction or stroke in the last 6 months; Type I diabetes; acute hepatitis; recent vaccination for viral disease)
• Regular smoker (daily use)