The Streets of Long Life/ Health and Happiness

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Across
  1. 4. as stated by
  2. 5. someone who studies a subject, especially in order to discover new information or reach a new understanding
  3. 6. something that you say or write that expresses your opinion
  4. 9. to contain something as a part of something else, or to make something part of something else
  5. 10. liked, enjoyed, or supported by many people
  6. 11. a person who lives in the particular small area that you are talking about
  7. 13. an examination of opinions, behaviour, etc., made by asking people questions
  8. 17. someone's way of living
  9. 18. someone who is a 100 years old or more
  10. 20. relating to science, or using the organized methods of science
  11. 21. the food and drink usually eaten or drunk by a person or group
  12. 22. not often
  13. 23. the amount of great worry caused by a difficult situation
  14. 25. at the present time
  15. 26. a country in northern Europe
  16. 27. busy with a particular activity
Down
  1. 1. used to show that something is possible or that you are not certain about something
  2. 2. the noun form of the verb improve
  3. 3. the noun form of the verb develop
  4. 7. the verb form of the noun inspiration
  5. 8. the system of trade and industry by which the wealth of a country is made and used
  6. 12. able to be bought or used
  7. 14. the noun form of the verb equal
  8. 15. a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau
  9. 16. to discover the exact size or amount of something
  10. 19. considering the whole of someone or something
  11. 24. happening or doing something often