Since many headaches are caused by stress, the best essential oils for headaches are often those that encourage deep relaxation. Rose oil can help comfort and soothe the nervous system, and reduce tension in the body that can lead to tension headaches.
Tuning your antenna is mandatory if you want acceptable CB performance. Not tuning your antenna will result in poor transmission and reception performance, and can also result in permanent damage to your radio. Youâll need an SWR meter (available for around $25) in order to tune your antenna.
Fractional flow reserve. Fractional flow reserve (FFR) is a technique used in coronary catheterization to measure pressure differences across a coronary artery stenosis (narrowing, usually due to atherosclerosis) to determine the likelihood that the stenosis impedes oxygen delivery to the heart muscle (myocardial ischemia).