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Caffeine Addiction UI300 K Farwell, PhD, RN, CARN-AP.

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Presentation on theme: "Caffeine Addiction UI300 K Farwell, PhD, RN, CARN-AP."— Presentation transcript:

1 Caffeine Addiction UI300 K Farwell, PhD, RN, CARN-AP

2 Caffeine Addict Speaks Out "I was a coffee junkie," Hoff wrote. "I'd drink a cup in the morning just to get out of the house, and then another cup on the drive to work. But I wasn't done when I got to my desk job at the law firm–not by a country mile." In her frank, seven-page article, Hoff confessed that she, like an alarming number of professional women in the U.S., got on "the coffee train" to help meet the demands of a hectic lifestyle. "I was making three or four, sometimes five trips back to that [office] coffee maker," she wrote. "It's free, it's fresh, and it keeps you chug-chug-chugging along through your busy day. Sooner or later, though, that kind of habit will catch up to you." Recovering caffeine addict Joanna Hoff, who shares her difficult tale in the April Woman's Day.

3 Are You Addicted? ues/test01.htm

4 Metabolic Effects It stimulates the central nervous system. It releases free fatty acids from adipose (fatty) tissue. It affects the kidneys, increasing urination, which can lead to dehydration.

5 Effects on Body Ejects adrenalin into system Initial boost/alertness In 4-6 hr. leaves you fatigued & depressed  cortisol, the “stress syndrome”  cortisol leads to stronger cravings for fat & carbohydrates, and cause the body to store fat in the abdomen  dopamine (  dependence)

6 Life Threatening Dangers Intake of 600 to 900 mg per day  risk of heart attack to 2X that of non- caffeine users >900 mg/day run risk of stroke

7 Positive Effects of Caffeine Can speed up metabolism Helps body break down fat about 30% more efficiently if consumed prior to exercise Can keep blood sugar levels elevated, leaving you feeling less hungry.

8 Caffeine Withdrawal (12-14 hours after last intake ) Headache Fatigue Sleepiness Drowsiness Difficulty concentrating  motivation for work/tasks Irritability Anxiety Depression Flu-like symptoms Impairment in psychomotor, vigilance and cognitive performances

9 Caffeine Withdrawal Headache Caffeine is very similar in structure to another chemical in our body called adenosine. One of adenosine's jobs is to dilate blood vessels in the head. Caffeine blocks this dilation. Your body then has to become more sensitive to adenosine to compensate. The only problem being that when caffeine is withdrawn, your body is overly sensitive to adenosine and blood vessels will dilate, creating a pounding headache.


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