Brain conditions can be caused by several factors. For example, environment toxins and radiation, genetics, immune system malfunctioning, infections, injuries, and unhealthy lifestyle choices. There are many types of brain conditions that include:
Neurological disorders. (2025b, April 4). Johns Hopkins Medicine. https://www.hopkinsmedicine.org/health/conditions-and-diseases/neurological-disorders
Brain injuries can range from mild concussions to severe traumatic brain injuries. Brain injuries can occur from external forces like a fall or accident, or internal factors like a stroke or infection.
Mild traumatic brain injury can physically look like a headache, nausea/vomiting, fatigue, problems with speech, and dizziness or imbalance. Other symptoms can be blurred vision, ringing in ears, and/or changes in taste and smell. Moderate to severe can include the symptoms of mild traumatic brain injury along with loss of consciousness, convulsions/seizures, dilation of one or both pupils, weakness or numbness, or clear fluids draining from the nose or ears.
Symptoms in infants and young children will look different due to the inability of communicating. In a child, the symptoms could be a change in eating or nursing habits, unusual irritability, persistent crying, change in attention span, change in sleep habits, seizures, sadness or change in mood, drowsiness, and loss of interest in activities.
Neurological disorders. (2025b, April 4). Johns Hopkins Medicine. https://www.hopkinsmedicine.org/health/conditions-and-diseases/neurological-disorders
There are over 600 types of known brain diseases that are also called neurological disorders. These types of conditions can affect various parts of brain and can include damages to the spinal cord and other parts of the nervous system. Examples of different types of brain diseases can be: