Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

1. Men and women over the age of 18
2. Diagnosed with either a) stage I-III HER 2 normal breast carcinoma or b) Stage II-III colorectal carcinoma
3. Scheduled to undergo either neoadjuvant or adjuvant: a) FEC- D or AC-T chemotherapy or b) FOLFOX or CAPEOX chemotherapy
4. Weekly access to high-speed internet
5. Access to a computer/tablet/smart phone
6. Able to attend MBCR classes at scheduled times
7. Sufficient ability to speak and read English
8. Willingness to be randomized into immediate or waitlist groups and complete all assessments

1. Metastatic patients
2. Suffering from current Major Depressive Disorder, Bipolar Disorder or other psychiatric disorder (self-report)
3. Currently engaging in meditation one or more times per week within the previous year.
4. Participation in an MBCR or MBSR program in the last five years.
5. Cognitive impairment (\>6 on the Brief Screen for Cognitive Impairment)
6. Physical functional impairment that would interfere with the ability to participate in the intervention (on the PAR-Q questionnaire)

The ONE-MIND Study: Evaluating the Efficacy of Online Mindfulness-Based Cancer Recovery During Chemotherapy Treatment