In the United States, middle schools and high schools often offer choir as a class or activity for students. Some choirs participate in competitions. One kind of choir popular in high schools is show choir. Middle school and high school is an important time, as it is when students' voices are changing.
Veins and arteries. Vascular disease is a class of diseases of the blood vessels â the arteries and veins of the circulatory system of the body. It is a subgroup of cardiovascular disease. Disorders in this vast network of blood vessels, can cause a range of health problems which can be severe or prove fatal.
Vascular dementia is a term for dementia associated with problems in the circulation of blood to the brain (cerebrovascular disease). It encompasses a wide range of diseases or disorders, the principal feature of which is loss of intellectual abilities. Binswanger's Disease Binswangerâs Disease is a subcortical vascular dementia which was once considered rare but is now being reassessed, and may be relatively common.