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Californians can now buy marijuana for recreational use

Californians can now buy marijuana for recreational use

2 January 2018

It already has a booming marijuana industry, and on 1 January, California became the sixth US state to make marijuana legally available for recreational use
An underweight newborn baby

The body’s killer immune cells also feed fetuses in the womb

19 December 2017

Natural killer cells – which destroy cancer cells and pathogens – also help early fetuses grow, a finding that may lead to treatments to prevent miscarriage

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