According to a Northumbria University academic, humans are attracted to plant based substances such as tea, tobacco and drugs because our brains are similar to those of insects.
Professor David Kennedy has written a book showing how human brains are just a more complex version of those of insects.
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Mr Corbyn beat Owen Smith in a landslide victory and immediately called for those MPs who had tried to overthrow him to now back him.
It's been revealed it cost £4.5 million to restore 'Flying Scotsman' and return the iconic steam legend to the tracks.
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