The following clues form a word chain. The last three letters of one word or phrase form the first three letters of the next word, and the list wraps round from the last word to the first. Mostly straightforward with the odd toughie, but there may be one or two hyphenated words, alternative spellings or short phrases in there, and remember it was compiled by a Brit. Quite a few there, so feel free to grab two or three
-1. Care and treatment of the foot
podiatry -2. Essential amino acid, (C8H6N)CH2CH(NH2)COOH
tryptophan -3. Structure used for storing aircraft
hangar -4. Evergreen Old World tree with large white flowers
gardenia -5. Crystalline acid, part of the vitamin B complex
niacin -6. Aromatic inner bark of any of several East Indian trees used as a spice
cinnamon -7. Aid to vision
monocle -8. Ordained Christian minister, vicar, priest
clergyman -9. Person in charge of an organisation
manager -10. 38th President of the United States
Gerald Ford -11. Trying experience
ordeal -12. British film studios, famous for comedies
Ealing -13. Fireplace, hearth
ingle -14. Happy
gleeful -15. The pivot about which a lever turns
fulcrum -16. Any cloven-hoofed, cud-chewing quadruped
ruminant -17. Medication used for dyspepsia, heartburn etc
antacid -18. 1959 book by Laurie Lee
Cider with Rosie -19. Mountain range in the western United States
Sierra Nevada -20. Projection of the thyroid cartilage at the front of the neck
Adam'd apple -21. A direct vote by the electorate of a state, region, etc,
plebiscite -22. A different version of an existing data set, software program etc
iteration -23. Pertaining to one of the five classical orders of architecture
ionic -24. Poisonous alkaloid (often self-administered!)
nicotine -25. Helium, neon, argon, krypton, xenon or radon
inert gas -26. Mollusc, for example snail or slug
gastropod 
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