Do the pleasant aromas like perfume of flowers have therapeutic effect on physical and emotional health of people?

Regarding the smell there is scientific in favor of the causes or related to the lack of smell (Anosmia) or decrease / alteration thereof (Dysosmia) disease evidence.

If therapeutic uses of smell (aromatherapy) there is lot of general information. Most related to the effect on feelings and emotions (psychological effect), but little scientific evidence of effectiveness in health perfume of flowers (bach flowers); for example scents of lavender, rose and orange blossom.

It would therefore be important to know clinical and experimental experiences the impact of certain flavors in the treatment of some neurosis, such as depression, anxiety and bipolar disorder. Also if aromas modify certain feelings and perceptions of affective psychoses like Schizophrenia, or stimulation of memory arrest of cognitive impairment in Alzheimer's disease cases.

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