Paralysis on one side of the body is a symptom of what?

Paralysis on one side of the body is most commonly associated with a stroke. A stroke occurs when there is a disruption in the blood supply to the brain, which can result in damage to brain cells. This damage often affects motor control and sensory perception, leading to weakness or paralysis on one side of the body, known as hemiplegia.

In contrast, a heart attack primarily affects the heart and does not typically cause paralysis. Choking involves an obstruction in the airway and can lead to difficulty breathing or loss of consciousness but does not directly result in paralysis. Similarly, a seizure may lead to temporary muscle control issues or convulsions, but it usually does not cause lasting paralysis on one side of the body. Thus, the occurrence of paralysis on one side is a key indicator of a stroke, making it the most appropriate answer.