Clinical Research Directory

In order to participate in this study a subject must meet all of the eligibility criteria outlined below. Inclusion Criteria: * Written informed consent was obtained to participate in the study and HIPAA authorization for the release of personal health information. * Subjects are willing and able to comply with study procedures based on the judgment of the investigator. * Age ≥ 18 years at the time of consent. * Confirmed diagnosis of indolent lymphoma, Waldenström's Macroglobulinemia, or Cutaneous T Cell Lymphoma. * Significant symptoms of fatigue, as defined by PROMIS Fatigue score \>50. Exclusion Criteria: * Other co-existing malignancies. * Significant cognitive impairment as defined by Mini-Cog score 0-2 (out of 5) that would prevent understanding of assessments or interventions. * Unstable or serious illness (e.g., unstable cardiac arrhythmia, severe anemia/thrombocytopenia) that would prevent safe participation in an exercise regimen, per the discretion of the treating physician. * Individuals who are not able to consume an oral diet, due to swallowing difficulties or other reasons, as this might interfere with the nutritional intervention