Cranberry
Curare
Dandelion
Willow
100
200
300
400
Artemisia Annua
Aspirin
Willow Bark
Both of these.
Neither of these.
plants
herbs
lichens
all of these are studied by botanists
Sweet Annie
mountain tops
jungles
oceans
your back yard
everywhere
25
50
75
Trial and error
Local doctor
Watching animals
20
40
60
80