•OPS, or Take Pounds off Sensibly, meets at 9:30 a.m. Tuesdays in the Diagnostic and Imaging Center, Hermitage. Weigh-ins begin at 8:30 a.m. There is a fee but the first class is free. Register: 724-983-5518 or 800-346-7997.
• Juniper Village at the Shenango Inn, Sharon, hosts a 30-minute chair exercise class by Silver Sneakers at 10 a.m. weekdays in January.
• Dealing with Behaviors and Modifications for the Dementia Patient, a continuing education workshop for health professionals, will be offered from 10 a.m. to 4 p.m. Jan. 25 at Penn State Shenango in Sharon. Fee: $50. Register by Jan. 13. Info: 724-983-2890.
• Help Hotline Crisis Center offers a free two-day Wellness Recovery Action Plan workshop, 10 a.m. to 4 p.m. today. Info: Nancy Montagna, 330-747-5111.
• ServSafe Training, a course in preventing foodborne illness in food establishments, will be offered by Mercer County Cooperative Extension from 9 a.m. to 4 p.m. Thursday in Leslie N. Firth Learning Center, Coolspring Township. Fee: $175 and includes the exam and certification valid for five years. Info: Rick Kralj, 814-849-7361. Register: 814-776-5331.