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Powderflask I know that young dandelion leaves...(only the youngest of them in Spring)...are an edible green. I had a neighbor who once prepared Dandelion Greens Parmesan for me. Dandelion is used in tea to treat liver disorders, and to cleanse the liver of toxins. Lemon is used to treat nerve pain, and neuralgia.
Your reference to pine needles had me searching through my book and I didn't find them until I searched the search engines on my browser.
They were used once to make a tea by Indigenous peoples in North America, and the tea was a natural decongestant. Only white pine should be used, as other types of pine may be toxic. Eastern white cedar can be substituted.
https://dailydetoxhacks.com/pine-needle-tea/#:~:text=Pine%20needle%20tea%20has%20been%20used%20by%20indigenous,your%20sinuses%20and%20relieve%20pressure%20and%20sinus%20headaches.
Granny was giving you a detox tea.