Causes of Blood in Stool. Blood in the stool means there is bleeding somewhere in your digestive tract. Sometimes the amount of blood is so small that it can only be detected by a fecal occult test (which checks for hidden blood in the stool). At other times it may visible on toilet tissue or in the toilet after a bowel movement as bright red blood.
Parkinsonâs disease (PD) is a degenerative, progressive disorder that affects nerve cells in deep parts of the brain called the basal ganglia and the substantia nigra. Nerve cells in the substantia nigra produce the neurotransmitter dopamine and are responsible for relaying messages that plan and control body movement.
Parkinson's is a disease which affects the brain, causing problems with movement. The muscles become stiff and sometimes shake, and the person moves more slowly than normal. Parkinson's and dementia are linked because, in some people with Parkinson's disease, dementia may occur as the illness progresses. Dementia is a disorder in which brain function deteriorates, leading to difficulties with remembering, planning and organizing, recognizing people and things, and communicating with others.