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.
Coma Causes. Causes of Coma. There are many things that can cause coma or other states of unconsciousness. Some causes are treatable and reversible, and others are not. Some of them are focal processesâlocalized abnormalities that exist only in one part of the brainâothers are diffuse processes that affect large parts of the brain.