20220113 : Stroke - in lay-person's terms...
Just like all organs and parts of the body, the brain too needs blood supply constantly for oxygen/ nutrition. In fact, it takes the lion's share of blood supply to carry on. Sometimes, this supply is stopped because of 2 primary reasons: 1. An artery/ blood vessel breaks because of an injury or other reasons and the blood does not reach the intended place. 2. A blood clot obstructs the flow of blood to the intended region. The clot can form gradually in the brain or is formed somewhere else, gets dislodged and moves to the brain. Each of these have many variations, causes, impacts so on and have many names - but essentially the 2 causes. What's common between them is the cutting off of blood supply. Since every cell/ tissue of the brain needs constant flow of blood for oxygen and nutrients, the cells/ tissues either become weak or die - depending on how long the deprivation lasted before medical intervention. Depending on which part of the brain is impacted, so will the corr