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This first table gives a convenient overview of the general categories and broad causes. The leading cause is cardiovascular disease at 31.59% of all deaths. Rate of death by cause. Percent of all deaths. Category. Cause. Percent. Percent. I. Communicable, maternal, neonatal, and nutritional disorders.
A neurodegenerative diseaseis caused by the progressive loss of neurons, in the process known as neurodegeneration. [2][3]Neuronal damage may also ultimately result in their death. Neurodegenerative diseases include amyotrophic lateral sclerosis, multiple sclerosis, Parkinson's disease, Alzheimer's disease, Huntington's disease, multiple system ...
Addison's disease, also known as primary adrenal insufficiency, [ 4] is a rare long-term endocrine disorder characterized by inadequate production of the steroid hormones cortisol and aldosterone by the two outer layers of the cells of the adrenal glands ( adrenal cortex ), causing adrenal insufficiency. [ 5][ 6] Symptoms generally come on ...
The U.S. Centers for Disease Control and Prevention has released the biggest causes of mortality in 2023. COVID was the fourth leading cause of mortality in 2022, linked to 245,614 deaths. It ...
The second major proposed mechanism for neuronal death in Parkinson's disease, autophagy, is a mechanism by which inner components of the cell are broken down and recycled for use. Autophagy has been shown to play a role in brain health, helping to regulate cellular function. Disruption of the autophagy mechanism can lead to several different ...
Graves disease, also known as toxic diffuse goiter or Basedow’s disease, is an autoimmune disease that affects the thyroid. [ 1] It frequently results in and is the most common cause of hyperthyroidism. [ 5] It also often results in an enlarged thyroid. [ 1] Signs and symptoms of hyperthyroidism may include irritability, muscle weakness ...
Parkinson's disease patient showing a typical flexed walking posture in advanced stage. Signs and symptoms of Parkinson's disease are varied. Parkinson's disease affects movement, producing motor symptoms. [ 1] Non-motor symptoms, which include dysautonomia, cognitive and neurobehavioral problems, and sensory and sleep difficulties, are also ...
Pathophysiology of HIV/AIDS. HIV is commonly transmitted via unprotected sexual activity, blood transfusions, hypodermic needles, and from mother to child. Upon acquisition of the virus, the virus replicates inside and kills T helper cells, which are required for almost all adaptive immune responses. There is an initial period of influenza-like ...