(I) The history of human health is the history of
medicine. (II) Accordingly, humans have always used
plants as the centrepiece of our healthcare, but we have
lapsed over the past 50 years. (III) We used to eat more
than 200 types of foods from plants, and now 80 percent
of our diet comes from just 10 species. (IV) The reasons
for this are many, including the prevalence of fast foods
which put convenience over health. (V) The fast food
industry is one of the greatest success stories of all
time.