The most common conditions treated by doctors of chiropractic are: low back pain, neck pain and headaches, using a non-drug (with rare exception), scientific (evidence-based) and conservative approach, to patient-centered care. Chiropractic doctors also treat conditions affecting the shoulder, elbow, wrist, hip, knee, and ankle, in addition to conditions like plantar fasciitis, carpal tunnel syndrome, pregnancy-related LBP, sciatica/leg pain, arm pain, and more. Doctors of chiropractic also focus on issues related to public health and welfare such as obesity, nutrition, smoking, diabetes, cholesterol, stress management, diet and weight loss, fitness and more.