Teenagers Getting Slower

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Across
  1. 1. to decrease or reduce
  2. 4. moving in a slow, heavy and difficult way
  3. 6. relating to the heart and blood vessels
  4. 7. a quick look
  5. 8. somebody who arranges activities or events
  6. 10. the state of being very overweight
  7. 12. all the people born and living at the same time
  8. 13. group of people thought to be the best
  9. 14. most people
  10. 16. relating to a person who is inactive
  11. 17. a sweet substance usually added to tea or coffee
  12. 18. somebody aged between 13 and 19 years
  13. 20. to fall or drop at high speed
  14. 21. in good health - usually because of regular physical exercise
Down
  1. 2. an event marking an important stage
  2. 3. the action of taking part in something
  3. 5. extremely important and absolutely necessary
  4. 6. somebody who takes little or no exercise and watches TV
  5. 9. an investigation to find facts and reach conclusions
  6. 11. the way in which a person lives
  7. 15. somebody who runs a short distance very quickly
  8. 19. a talent or a skill in a certain area