Can’t get moving until you’ve had your regular dose of caffeine? If the line at Starbucks is any indication, you are not alone. How much do you know about the caffeine in your diet? Here’s a quiz to find out. Answer all questions true or false.

1. Caffeine is a substance that exists naturally in certain plants, including tea leaves, kola nuts, and coffee and cocoa beans.

2. Caffeine also can be produced synthetically and added to foods and beverages.

3. Manufacturers aren’t required to list the amount of caffeine on nutrition labels.

4. For most people, moderate doses of caffeine, 200 to 300 milligrams a day, isn’t harmful.

5. More than 500 milligrams of caffeine a day can cause irritability, nervousness, anxiety, insomnia, headaches and diarrhea.

6. Some evidence suggests that drinking coffee may cause Type 2 diabetes and colon cancer.

7. Some types of medications and herbal supplements negatively interact with caffeine.

8. All pain relievers contain caffeine.

Answers on page 6D

Source: The Mayo Clinic

Answers: 1) True; 2) True; 3) True; 4) True; 5) True; 6) False; 7) True; 8) False