Name

Date

Period

CAFFEINE AND HEART RATE QUESTIONS

Caffeine increases the heart rate because it's a stimulant. Using caffeine on a day-to-day basis through consumption of soda and chocolates will increase one's resting heart rate. Explore the effects of caffeine on resting heart rate, and it's long term effects. After finding the resting heart rates of:

a. Those who do not drink caffeine

b. Those who drink 1-3 caffeined beverages a day.

c. Those who drink 4 or more of caffeinated beverages a day

Directions: Find the averages for each of the groups and answer the following questions. (see data page, located on the homework page)

1. Average resting heart rate of each group?

a.

b.

c.

2. What were the differences among the three groups?

3. Which group had the highest resting heart rate?

4. Which group had the lowest resting heart rate?

5. Why do you think crack, cocaine, methamphetamines, and heroin, do to the heart rate and to the risk of heart disease?

6. Explain how harmful drugs contribute to the cost of our medical and life insurance. What can you do to stop the use of harmful drugs?