Fragrances don't just make us smell good, they can also trigger emotions. We associate certain things with certain scents: Vanilla is described as a very seductive scent and is hence commonly found in heavier evening fragrances. Fresher citrus scents often mimic energy and activity and are known to uplift our mood. According to a study by Dr Alan Hirsch, an American neurologist and psychiatrist specialising in scent loss, perfume can have a huge influence on how its wearer is perceived by his or her surroundings. In his scent study, around 40 men and women were asked to guess each others'