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No, a caffeine shortfall isn’t a typical cause of eyelid twitching; excess intake and sleep loss are far more common triggers.

No, skipping caffeine doesn’t cause hypertension; withdrawal can briefly nudge blood pressure before settling.

No, T2 tea sachets skip petroleum plastic; they use plant-based PLA mesh that’s compostable in industrial settings.

Yes, fruit teas can discolor teeth over time, especially darker, more acidic blends that roughen enamel and leave pigments behind.

No, rooibos tea is naturally caffeine-free; the herbal infusion comes from Aspalathus linearis, not Camellia sinensis.

Yes—most Tetley tea bags use paper plus a tiny heat-seal plastic (PP or plant-based PLA), with some ranges moving to PLA only.

Yes—most paper-style Tazo bags can shed trace microplastics during hot steeping due to heat-seal plastics, not nylon mesh.

Yes, hibiscus tea can lower blood pressure by about 5–7 mmHg in mild hypertension when taken daily, but it complements—not replaces—treatment.

Yes, some Tetley tea bags can shed microplastics, with nylon pyramids posing the highest risk while paper heat-sealed lines vary by material.

Yes, Taylors’ standard tea bags use a plant-based plastic (PLA) for the heat seal; it isn’t oil-based PP and isn’t suited to home composting.