Dr Shoenfeld who is conducting the research says that loss of weight is one of the first signs of depression. And as it also has a bearing on your sense of smell, you don't eat enough food because you don't enjoy it. If you don't eat, you lose weight." He goes on to add that people who are depressed seem to respond well to aromatherapy. Certain smells seem to help them overcome the effects of the biological factors, suggesting that depression may have a biological cause.
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