Cardamom

Elettaria cardamomum

Little green pods of sweet, eucalyptus-bright perfume — the soul of chai, Arabic coffee and Scandinavian buns.

Digestion · Kitchen spice · Tea

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Chamomile

Matricaria chamomilla

The gentle daisy that became the world's bedtime tea.

Calm · Sleep · Tea

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Hawthorn

Crataegus monogyna

The May-blossom hedge tree whose flowers, leaves and red haws are Europe's traditional heart tonic — gentle, slow and worth discussing with your doctor.

Blood pressure · Heart · Tea

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Hibiscus

Hibiscus sabdariffa

The crimson, cranberry-tart tea of Egypt and Mexico — with blood-pressure evidence strong enough to surprise cardiologists.

Blood pressure · Heart · Tea

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Licorice Root

Glycyrrhiza glabra

An intensely sweet root (its key compound is some fifty times sweeter than sugar) that soothes throats and stomachs — and quietly raises blood pressure if you overdo it.

Digestion · Respiratory · Tea

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Marshmallow Root

Althaea officinalis

The original marshmallow — a slippery, soothing root for scratchy throats and dry coughs, best made with cold water.

Digestion · Respiratory · Tea

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Mullein

Verbascum thapsus

The towering, velvet-leaved roadside torch plant — a traditional cough tea, as long as you strain out its itchy hairs.

Colds · Respiratory · Tea

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Peppermint

Mentha × piperita

A vigorous garden mint whose oil is one of the best-evidenced herbal treatments for IBS.

Digestion · Headache · Tea

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