Kasper and colleagues investigated the efficacy of lavender oil (WSÂ® 1265) for AD NOS in comparison to placebo in a primary care setting.62 This study was the first double-blind, randomized, placebo-controlled trial to document the anxiolytic efficacy of orally administered lavender essential oil for anxiety disorder.
Some examples are: 1  Traumatic brain injuries. Traumatic brain injuries, often caused by traffic collisions or acts of violence, are common causes of comas. 2  Stroke. Reduced or interrupted blood supply to the brain (stroke), which may be caused by blocked arteries or a burst blood vessel, can result in a coma. 3  Tumors.
More than 50% of comas are related to head trauma or disturbances in the brain 's circulatory system. Problems that can lead to coma include: 1  Trauma: Head injuries can cause the brain to swell and/or bleed. 2  When the brain swells as a result of trauma, the fluid pushes up against the skull.