By Kimberly Tsung

◦ Background on Caffeine
◦ Medical Concerns?
◦ How much caffeine do American Kids consume
◦ Has caffeine consumption changed in recent history?

Background on Caffeine
◦ Found naturally primarily in tea, coffee, cocoa
◦ Cocoa was the first to be mass consumed
◦ 1640: coffee made it’s way to Europe
◦ History of Tea is complex
◦ Energy drinks emerged in the late 1990s

How Does

Natural Stimulant

Targets the Central
Nervous System

Increases Adrenaline
levels in body

Blocks Adenosine

Increases Dopamine
and Glutamine

Limitations of Caffeine Studies
◦ Most studies published now include only the years 1990-2010
◦ Most research done on adults
◦ A lot of data acquired through recall

Trends in Caffeine Consumption
◦ About 85% of the US population drinks caffeine
◦ Men consume more caffeine than women
◦ The daily intake of caffeine usually comes from one sitting
◦ Type of caffeine consumed changes

Trends in Caffeine Intake Among US
Children and Adolescents by the American
Academy of Pediatrics

◦ comparing 3 ethnic groups Non-Hispanic White, Non-Hispanic Black, MexicanAmerican
◦ boys drank more caffeine than girls
◦ Linear trend for income and consumption
◦ Caffeine consumption increases with age
◦ 63% in 2-5 year olds
◦ 75+% in middle to high schoolers

Soda is the most
common source of
Caffeine (declined
from 62% to 38%)

coffee accounted for
10% of caffeine
intake but increased
to 24%

Tea consumption was
relatively stable

Energy drink

Are There Any Medical Concerns?
Beneficial Side Effects

Harmful Side Effects
◦ Insomnia
◦ Nervousness / Anxiety

◦ Increased Attention
◦ Awareness
◦ Increased Athletic Performance

◦ Stomach Irritation
◦ Nausea
◦ Vomiting
◦ Increased Heart Rate

◦ Endurance

◦ Hypertension

◦ Mood...

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