One of the biggest struggles most of us face while trying to study is fatigue and difficulty in retaining all the information. It is a known fact that those with better memory and alertness perform better in tests and exams. An effective way to give a much-needed boost to your memory while improving your cognitive functioning is by simply inhaling rosemary essential oil. Before you discard this idea continue reading. Researchers have studied the effects of essential oils on cognitive functioning for decades and after extensive studies it has been found that rosemary oil has the ability to not only