Caffeine isn't generally thought of as a drug, but because it ...

[fahad]

Caffeine isn't generally thought of as a drug, but because it acts as a stimulant and involves tolerance, psychological dependence, and withdrawal symptoms, it is considered an addictive substance. List at least three symptoms of excess caffeine consumption.
 
  What will be an ideal response?

Question 2

Compare and contrast common facial expressions and speech patterns that differentiate the communication styles of men and women.
 
  What will be an ideal response?

[braelync]

Answer to Question 1

(any three or more of the following):
1. Insomnia
2. Nervousness, jitters, and restlessness
3. Tremors, shaking, and involuntary muscle twitches
4. Insomnia
5. Dehydration
6. Irritability, anxiety, and panic attacks
7. Heart irregularities

Answer to Question 2

Men tend to:
 Frown more often and avoid eye contact.
 Speak in a lower-pitched, louder voice.
 Speak in approximately 3 tones.
 Speak in a manner than can seem abrupt.
 Make more direct statements.
 Interrupt more.

Women tend to:
 Smile and nod more often and maintain eye contact.
 Speak in a higher-pitched, softer voice.
 Speak in approximately 5 tones.
 Sound more emotional.
 Make more tentative statements.
 Interrupt less often.