Maintain your brain -- The Baltimore County Department of Aging, in partnership with the Alzheimer's Association, will sponsor free sessions at local senior centers this month. For a list of times and locations, call 410-887-2594.
Yoga event -- Goucher College Sports and Recreation Center, 1021 Dulaney Valley Road / This yoga event runs all day and includes four hours of instruction and two question-and-answer sessions. $75. 9 a.m.-4:30 p.m. tomorrow. Registration: 410-583-YOGA.
Type 2 diabetes -- Greater Baltimore Medical Center's Geckle Diabetes & Nutrition Center, 6569 N. Charles St., Physicians' Pavilion East, Suite 507, Towson / Days and times vary. Registration: 443-849-2036.
Walking program -- Harbor Hospital, held at the Centre at Glen Burnie, 6711 Ritchie Highway / 8 a.m.-10 a.m. daily. Free. Registration required. 410-350-8255.
Indoor walking program -- Wheels Skating Center, 1200 Odenton Road, Odenton / Co-sponsored by Baltimore Washington Medical Center and O'Malley Senior Center. 9 a.m.-10 a.m. Mondays, Wednesdays and Fridays. Free. Registration required. 410-222-6227.
Lung cancer -- Harbor Hospital, 3001 S. Hanover St. / Computerized tomography (CT) scans for those older than 50 with a history of smoking, exposure to asbestos or secondhand smoke. $50. 410-350-2563.
Breast and cervical screenings -- Franklin Square Hospital Center, 9000 Franklin Square Drive / Screenings for women ages 40 to 65 who meet income requirements. Free. 443-777-8138.
Thyroid cancer -- Sinai Hospital Cancer Institute, Conference Room, 2401 W. Belvedere Ave. / 10:30 a.m.-noon tomorrow. 410-601-4688.
Shy bladder -- Arundel Mills Mall, Hanover / 11 a.m. Sunday. 410-868-7975.
Bay Bridge Breathers -- Harbor Hospital's LifeResource Center, 2990 S. Hanover St. / noon Monday. For those with emphysema, chronic bronchitis and pulmonary fibrosis. 410-350-8255.
Cancer of head and neck -- Greater Baltimore Medical Center's Milton J. Dance Head & Neck Rehabilitation Center, 6701 N. Charles St., Towson / 7 p.m.-8:30 p.m. Tuesday. 443-849-2087.
Diabetes -- Baltimore Washington Medical Center, Joslin Diabetes Center, 300 Hospital Drive, Suite 223 / 5:30 p.m.-7 p.m. Wednesday. 410-787-4940.
Families of children with leukemia or lymphoma -- Sinai Hospital's Pediatric Oncology Conference Room, 2401 W. Belvedere Ave. / 7 p.m.-8:30 p.m. Wednesday. Registration: 410-601-9355.
Adults with epilepsy -- Abilities Network, 8503 LaSalle Road, Towson / 7 p.m.-9 p.m. Thursday. 410-828-7700, ext. 1220.
New mothers -- St. Joseph Medical Center, 7601 Osler Drive, Towson / 10:30 a.m.-noon Thursdays. For mothers of infants up to 5 months of age. 410-337-1880.
Parkinson's disease -- Laurel Regional Hospital, 7300 Van Dusen Road / 10:30 a.m. Tuesdays. 301-776-3426.
Bipolar disorder -- Laurel Regional Hospital, 7300 Van Dusen Road, Laurel / 6:30 p.m. Thursdays, 301-497-7914 or 410-792-7636.
Clutterers Anonymous -- St. John's of Hamilton Church, Harford Road and Gibbons Avenue / 7 p.m.-8 p.m. Wednesdays. 410-254-3245.
For calendar listings, e-mail releases four weeks in advance to email@example.com or mail typed news releases to Health Calendar, Features, The Sun, 501 N. Calvert St., Baltimore 21278.