8. Stroke:Damage to the brain from interruption of its blood supply. A stroke is a medical emergency.

Symptoms:

One may experience:

Muscular: difficulty walking, instability, paralysis with weak muscles, problems with coordination, stiff muscles, overactive reflexes, or paralysis of one side of the body

Visual: blurred vision, double vision, sudden visual loss, or temporary loss of vision in one eye

Speech: difficulty speaking, slurred speech, or speech loss

Whole body: fatigue, light-headedness, or vertigo

Limbs: numbness or weakness

Sensory: pins and needles or reduced sensation of touch

Facial: muscle weakness or numbness

Also common: difficulty swallowing, headache, inability to understand, mental confusion, or nystagmus