Answers 1. variety 2. nutrients 3. servings 4. maintain 5. overweight 6. factors 7. overeating 8. ingredients

Answers 1. vital 2. dietitians 3. moderate 4. portions 5. skipping 6. curb 7. appetite 8. eliminate 9. allergy 10. trigger

Answers  Track 3a 1. muscle 2. fat 3. blood flow 4. carries blood 5. blocked 6. treatment 7. brain 8. known cure 9. clear 10. risk

Answers 1   Track 3b 1. walking (briskly), jogging, running, swimming, cycling. Answers 2 A. regular B. briskly C. gradually D. recommendation E. pace F. overdoing G. recover H. alternate