Inclusion Criteria

DISEASE CHARACTERISTICS:

- History of breast cancer including ductal carcinoma in situ or lobular carcinoma in
situ

- Treated with surgery and/or adjuvant therapy with a curative intent or patients not
preferring to take hormones because of concern for breast cancer

- Frequent hot flashes (≥ 14 per week) of sufficient severity to make the patient
desire treatment

- Presence of hot flashes for ≥ 1 month prior to study entry

- Hormone receptor status not specified

PATIENT CHARACTERISTICS:

- Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1

- Pre- or post-menopausal

- Must possess a compact disc (CD) player

- Able to complete questionnaires alone or with assistance

- No active medical conditions preventing compliance with a practice of slow deep
breathing including active asthma, chronic obstructive pulmonary disease, or
congestive heart failure

- No uncontrolled hypertension (defined as systolic blood pressure (BP) ≥ 160 mm Hg
and/or diastolic BP ≥ 100 mm Hg on 2 separate visits)

PRIOR CONCURRENT THERAPY:

- No current (within the past month) practice of yoga or breathing exercises

- No other concurrent agents for treating hot flashes (e.g., gabapentin, venlafaxine,
paroxetine, citalopram, sertraline, natural products such as soy or sage supplements,
flaxseed, or black cohosh)

- Concurrent stable dose antidepressants started within the past 30 days allowed

- No concurrent hormonal agents and/or antineoplastic chemotherapy - Tamoxifen,
raloxifene, and aromatase inhibitors are allowed if patient has been on a constant
dose for ≥ 4 weeks and does not plan to stop the treatment during the course of the
study