Essential oils stored in the heartwood of oil-bearing trees, such as those of Cedarwood, Rosewood and Sandalwood, may act to preserve the integrity of the trunk against the ravages of microorganisms and insects, so maintaining the leaves at a height sufficent to recieve maximum Sunlight, those present in aromatic plant exudates may function to kill pathogenic micro-organisms.Examples, here are the exudates known as Gum Benzoin (really an oleoresin) Myrrh and Olibanum (Frankincense). These are produced at a very slow rate naturally off the living, girth– increasing and conducting tissues beneath, which perform functions vital to the continued life of the plant.Aromatic plants and the essential oils that they containhave long found extensive use in medicine and pharmacy, perfumery and flavouring, and are the subject of continuing and increasingly penetrating research to elucidate their composition, with particular interest being centered upon the discovery of novel constituents.

• The essential oils of aromatherapy are those of proven value for the relief of stress-related and certain other conditions amenable to this form of alternative and supportive, holistic medicine, and which are harmless as recommended for use by professionally trained and fully experienced aromatherapists.

• In aromachology, certain essential oils are smelled for the purpose of transfoming negative mood states, such as depression, into positive mood states, such as happiness and normal physical appetite.

• Aromatic plants and the essential oils that they containhave long found extensive use in medicine and  pharmacy,perfumery and flavouring, and are the subject of continuing and increasingly penetrating research to elucidate their composition, with particular interest being centered upon the discovery of novel constituents.

• The essential oils of aromatherapy are those of proven value for the relief of stress-related and certain other conditions amenable to this form of alternative and supportive, holistic medicine, and which are harmless as recommended for use by professionally trained and fully experienced aromatherapists.
• In aromachology, certain essential oils are smelled for the purpose of transfoming negative mood states, such as depression, into positive mood states, such as happiness and normal physical appetite.
• The wanton destruction of earth`s natural resources renders the gathering and investigation of plants unknown to science an urgent necessity, before constituents of possibly great value are lost for the fore-seeable future.
• The development of genetic engineering itno a technology capable of regenerating lost species no doubt lies in the future.