Download Drink Nutrition

Drink Nutrition
Caffeine
• Caffeine is a stimulant that can be addicting.
• What is a stimulant?
– are psychoactive drugs which induce temporary
improvements in either mental or physical
function or both. Examples of these kinds of
effects may include enhanced alertness,
wakefulness, and locomotion, among others
Caffeine
• What are things we consume that have
caffeine?
– Energy drinks
– Chocolate
– Coffee
– Soda drinks
– tea
Too much
• Consumption of large amounts of caffeine –
usually more than 250 mg per day – can lead
to a condition known as caffeinism.
Effects of caffeine
• Central Nervous system
• Cardiovascular
– cardiac muscle (increases heart rate), and
respiratory system (relaxes air passages permitting
improved breathing)
Effects Cont.
• delays fatigue (having the effect of warding off
drowsiness and restoring alertness).
– Makes the symptoms of sleep subside but they
are still there.
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Insomnia
Nervousness
Restlessness
Irritability
Stomach upset
• Caffeine absorption occurs in the body very
quickly – caffeine enters the bloodstream
through the stomach and small intestine, and
its effects are felt as soon as 15 minutes after
consumption. It is completely absorbed within
45 minutes of ingestion.
– Caffeine does not accumulate in the bloodstream
nor is it stored in the body, but it does persist –
only about ½ is eliminated in the urine within 3
hours.
Energy drinks
• Tolerance may develop, depending on the
person
• What in a energy drink?
– Ginseng, Taurine, energy blend, Guarana, ect.
– Little bit of sugar, salt and lots of B vitamins with
mega doses of caffeine
• http://www.youtube.com/watch?v=gxcTI1L5g
yc
Sport drinks
• Great to replenish lost electrolytes, sodium
and potassium.
• What is so bad about them?
• Less than 2 hours of working out don’t need it
• Sugar in drink
• http://www.youtube.com/watch?v=0i1akmTx
BT0&feature=plcp
• http://www.sacbee.com/2012/10/19/492453
6/death-of-teenager-from-caffeine.html
Caffeine
• Should Students your age drink Caffeine?
• Are there benefits of sport and energy
drinks?
• What are the problems with the above
drinks?
• Can you overdose on Caffeine?
• Do you know that energy drinks will destroy
your teeth?