This explains why this idiom is associated with various types of risk taking, including risk by assuming something without all the facts or by trying to help another person at oneâs own possible detriment. This expression was first used by as early as the late 1800s. Examples of To Go Out On a Limb
In elderly individuals, amyloid protein deposits along the blood vessels can cause the vessel wall to weaken leading to a hemorrhagic stroke. Cocaine or drug abuse can weaken blood vessels and lead to bleeding in the brain. Some prescription drugs can also increase the risk of brain hemorrhage.
Causes of Blood Clots in the Brain. Head injuries or trauma to the brain, head and neck can cause these clots to form in the brain. Blood clots in the brain are caused when bleeding occurs between the skull and the brain. The body will form a clot to stop the bleeding, which will put pressure on the surrounding brain tissue.