They may have been used for centuries because of their ‘healing powers’ but what evidence is there that essential oils can truly help? Dr A. Bolin takes a look. With so many claims to fame for natural essential oils, how many are really true?  Will they do miraculous feats of transformation to make you achieve eternal youth? All hype and no science? Does the truth lie somewhere in between? Plant essential oils: what properties do they really have? Plant essential oils do actually have properties that range from being anti-bacterial (anti-microbial), antifungal, antiviral, antiparasitic, insecticidal and fungicidal. They also have…