Those interested in improving the health and lives of the people in their community might consider a career in health care, medicine, or science. While some of these careers require certification in addition to on-the-job training, others require little or no previous training. The 11 careers explored in this helpful new resource have good opportunities for advancement. Career profiles include: dental assistant; dialysis technician; dispensing optician; emergency Medical Technician (EMT); nurse aide; pharmacy technician; physical therapist aide; veterinary assistant; and, more.