The reality is that only by preventing synthetic debris â most of which is disposable plastic â from getting into the ocean in the first place will a measurable reduction in the oceanâs plastic load be accomplished. Clean-up schemes are legion, but have never been put into practice in the garbage patches.
Simply explained, a brain contusion is a bruise of the brain tissue. Just like bruises that occur on other parts of the body, a brain contusion is caused by small blood vessel leaks. Because they involve structural brain damage, contusions are more serious than concussions.
In the days that immediately follow the bleeding, chemical irritation from clotted blood around the brain can cause brain arteries to go into spasm. An artery spasm can cause additional new brain damage. Most often, a subarachnoid hemorrhage happens because a bulge in the wall of an artery ruptures.