[header] How to recognize the warning signs of a stroke [title] Look for weak facial muscles or limbs. [step] The person may be unable to hold objects or suddenly lose balance while standing. Look for signs that only one side of the person's face or body has become weaker. 
One side of the person's mouth may droop when smiling or he may not be able to hold both arms up over his head. [title] Look for confusion or trouble with speaking or understanding speech.