Dr Amir explained: “I find this really fascinating – plants produce a chemical called phytoncides that are antibacterial, anti fungal for them, but they release them into the atmosphere, we breathe them in, and they’re really good for our immune system.
“It produces more T white [blood] cells, which are good for fighting off viruses but also have anti cancer properties.
“So you being in the park, breathing in those chemicals that plants just give off will be doing your immune system wonders.”
Christine Lampard, who’s been standing in for Lorraine, exclaimed: “That’s why you’re in your garden all the time!”
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