6. Importance to humans

Importance to humans

Leaves are vital to humans. Not just for food but many medicines come from plant leaves. Tobacco products come from leaves, as do some hemp products and other textile fibers. Cocaine and aspirin are from leaves as are some insecticides. Aloe vera for the relief of burns—even x-ray burns will respond to aloe vera. Leaves are also used in floral arrangements and other products of aesthetic value. Bottom line: leaves, like stems, are of great value to humans.

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