Pain of Patients, Suffering of Caregivers: Evaluation of the Benefit of Full Consciousness Meditation in Oncology

Inclusion criteria for all participants (patients, caregivers and control subjects) * Participants aged 18 or over * Curious and motivated participant to participate in the program * Participant with no current or previous experience of regular or intensive practice of meditation or a comparable practice. The practice is considered regular and / or intensive if: * it occurs more than one day per week for more than 6 consecutive months over the last 10 years, * and / or in case of more than 5 consecutive days of intensive practice (internship or retirement) in the last 10 years, * and / or more than 25 consecutive days of (cumulative) retirement over the last 10 years. * Participant available to follow the full meditation program (3 month period) * Participant agreeing to participate by signing the study information note * Participant able to understand, speak and read French * Patient capable of using digital media and having an internet connection Patient-specific criteria (target population) * Patients with cancer, * State of health compatible with the study meditation program * Patient affiliated to a social Health sytem Caregiver-specific criteria * All medical and / or paramedical staff of the sponsor Center in contact with patients (doctors, nurse, caregiver, radiotherapy manipulator MERM) Criteria specific to the control population - Any voluntary person not belonging to the two categories above Exclusion Criteria: For all participants * Participant with significant vulnerability factors dependence on alcohol and drugs, severe depression, severe social anxiety, recent mourning etc.). * Participant who cannot submit to the follow-up of the trial for geographic, social or psychopathological reasons For patients * Very advanced stage of cancer disease with life-threatening commitment, * Participant deprived of liberty or under guardianship For control subjects \- Nursing staff, regardless of their place of practice