A recent study conducted by scientists has found that trees in the Amazon rainforest use a form of common pain killers to survive. The hormones, called salicylates, work by blocking a certain enzyme that plays a role in responding to environmental stressors. This research has led to the suggestion that the same compounds that we use to treat inflammation and pain in humans could also be used to protect trees from environmental threats. It is hoped that this discovery will lead to better ways of preserving the rainforest and its inhabitants.

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source: Phys.org