2006-06-23 10:11:31 · 5 answers · asked by karisdvaughn 1 in Health ➔ General Health Care ➔ Other - General Health Care
POSITIVE
Reduces boredom [Loke 1988]
Decreases depression Increased alertness when tired [Wesenten 2005, Kamimori 2005, Search PubMed]
Willingness to consider alternative theories [Martin 2006]
Increases physical stamina and reduces perceived exertion [McLellan TM 2004]
May decreases response slowing effect of alcohol [Roehrs 2004]
Increases performance on boring, repetitive tasks [Smith 2002]
NEUTRAL
Research has failed to show improved memory or improvement in complex cognitive tasks [Smith 2002]
NEGATIVE
Increases anxiety and nervousness at high doses or in sensitive individuals [Lieberman 1992, Loke 1988]
Insomnia, decreased ability to sleep [Smith 2002]
Caffeine withdrawal can worsen mood [Schuh 1997]
Caffeine withdrawal causes headaches, flu-like symptoms, feelings of lethargy and reduces motivation [Schuh 1997]
Increases jaw tension and bruxism [Erowid Self Reports 2000, Ohayon 2001]
2006-06-23 10:16:26 · answer #1 · answered by williegod 6 · 0⤊ 0⤋
Hypertension
2006-06-23 10:33:14 · answer #2 · answered by Ani 1 · 0⤊ 0⤋
your heart rate speeds up and you get nauseated and feel like your going to faint some poeple get heart attacks by too much caffine
2006-06-23 10:14:44 · answer #3 · answered by jettalady 4 · 0⤊ 0⤋
greatness
2006-06-23 10:14:18 · answer #4 · answered by littlebylittle 3 · 0⤊ 0⤋
NOT ENOUGH SLEEP.......
2006-06-23 13:26:07 · answer #5 · answered by Barbie in a Truck 2 · 0⤊ 0⤋