Lastly, like the cold bottom of your MacBook, a metal pencil can be cool to the touch and will heat up more slowly than a rubber grip. On the other hand, metal pencils are more expensive and, frankly, heavier, which is not a feature everyone wants. 2. Advance Real aficionados geek out over a pencilâs advance precision. For the layman, advance is how a pencil produces lead. A more precise advance means that lead comes out evenly and with a consistent click.
Vitamin B12 Deficiency and Brain Damage. I found it hard to see how things as seemingly far apart on the importance spectrum as vitamin B12 deficiency and brain damage could be related. To me, Vitamin B12 Deficiency sounded innocuous, while Brain Damage sounded horrifying.So, Iâm not surprised that people are incredulous when I tell them about the risks of low B12, and that in fact vitamin B12 deficiency can cause brain damage. Plus, at first glance it probably doesnât seem like I have brain damage.So, maybe the place to start is a description of my experience with brain damage. found it hard to see how things as seemingly far apart on the importance spectrum as vitamin B12 deficiency and brain damage could be related.
Deficiencies in vitamin B1 and B12 specifically can affect memory. Head injury. A severe hit to the head -- from a fall or automobile accident, for example -- can injure the brain and cause both short-and long-term memory loss. Memory may gradually improve over time.Stroke. A stroke occurs when the blood supply to the brain is stopped due to the blockage of a blood vessel to the brain or leakage of a vessel into the brain. Strokes often cause short-term memory loss.emory may gradually improve over time. Stroke. A stroke occurs when the blood supply to the brain is stopped due to the blockage of a blood vessel to the brain or leakage of a vessel into the brain. Strokes often cause short-term memory loss.