Caffeine: Is it safe?
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Caffeine: Is it safe?
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Caffeine: Is it safe? Moderate dose of caffeine: Two to four cups of brewed coffee a day, 200-300 milligrams. Beverages containing Caffeine: Coffee, Tea, Soft drinks, Energy drinks. Health effects of
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Caffeine: Is it safe?
posted at 7/7/2012 9:38 AM BST
on bmj.com
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Posts: 3037
First: 27/3/2012 Last: 18/5/2013 |
Caffeine: Is it safe? Moderate dose of caffeine: Two to four cups of brewed coffee a day, 200-300 milligrams. Beverages containing Caffeine: Coffee, Tea, Soft drinks, Energy drinks. Health effects of Caffeine: Stimulates central nervous system, Increases wakefulness, Alleviates fatigue. Caffeine Overdose: More than 500-600 mg per day. Caffeine Overdose results in a state termed as over stimulation of central nervous system (CNS), also called as caffeine intoxication or the "caffeine jitters". Symptoms of caffeine overdose: Restlessness, Insomnia, Irritability, Sleep problems. Herbal supplements/ medications that interfere with caffeinated food and beverages and leads to adverse effects: Antibiotics – Ciprofloxacin, Norfloxacin, Theophylline, Echinacea, a herbal supplement for cold. Treatment of caffeine habituation: Keep a record of your caffeine intake, Cut back your caffeine drinks, gradually try to switch over to decaffeinated beverages, Choose herbal tea, Look for caffeine free pain relievers. So have your cup of coffee but don’t get addicted to it! |
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Re: Caffeine: Is it safe?
posted at 16/7/2012 5:34 AM BST
on bmj.com
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Posts: 1593
First: 24/12/2008 Last: 14/5/2013 |
Interesting topic and there are many lists that raise eyebrow with caffeine intake! Most of the effects have been covered and message is more is not good. Basically one more point about caffeine, it reduces brain blood flow although it is neurostimulant (as mentioned above): http://ageing.oxfordjournals.org/content/33/3/299.full.pdf and our system seems to have made effort to restore it but in chronic and high dose users, it may not be successful : http://onlinelibrary.wiley.com/doi/10.1002/hbm.20732/abstract It is one of the drugs used in the treatment and prophylaxis of apnea in prematurity. The effect is same: http://pediatrics.aappublications.org/content/109/5/784.abstract The recent upsurge of data linking cardiovascular safety (benefit) of coffee may not be solely due to Caffeine content as Tea is not linked (apparently) ! The sleep hygiene with Coffee/Tea with Caffeine (content) is profoundly compromised! It is mild diuretic and might potentially cause constipation among chronic high dose uers.... Hence, it should be taken and decided in individual basis.... |
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Re: Caffeine: Is it safe?
posted at 16/7/2012 4:34 PM BST
on bmj.com
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Posts: 223
First: 15/5/2012 Last: 29/4/2013 |
Dr Ashutosh: Interesting and educational post. thank you. My goal this year was to cut down on my coffee intake. I am limiting myself to a cup in the morning. My BP has come down (?). Caffeniated beverages is huge problem in the US and an epidemic. Starbucks has come to India- watch out, it spreads fast. |
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Re: Caffeine: Is it safe?
posted at 16/7/2012 5:33 PM BST
on bmj.com
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Posts: 1280
First: 9/12/2011 Last: 14/5/2013 |
Yes of course, I have drank it for over 40 years, and I'm fine! I know, tim will say I am a radical right wing gun loving, american nut. OK, fine, but Police live on coffee, the only way to stay awake for double shifts is coffee. The only reason Cops drink so much coffee is that the IV tubes get in the way when we have to use Guns, Tasers, or pepper spray, or Night Sticks! DuaneF |
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Re: Caffeine: Is it safe?
posted at 17/7/2012 5:41 AM BST
on bmj.com
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Posts: 1593
First: 24/12/2008 Last: 14/5/2013 |
In the past, it was suggested that Coffee (along with caffeine content in it) was suggested to increase cardiovascular morbidity and mortality but now, the coffee has been more of towards positive side:Coffee drinking vs total and cause-specific Mortalityand the editorial from American Journal of Medicine sums up nicely. It seems more data will come .... |
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Re: Caffeine: Is it safe?
posted at 17/7/2012 6:50 AM BST
on bmj.com
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Posts: 3037
First: 27/3/2012 Last: 18/5/2013 |
In Response to Re: Caffeine: Is it safe?: Interesting topic and there are many lists that raise eyebrow with caffeine intake! Most of the effects have been covered and message is more is not good. Basically one more point about caffeine, it reduces brain blood flow although it is neurostimulant (as mentioned above): http://ageing.oxfordjournals.org/content/33/3/299.full.pdf and our system seems to have made effort to restore it but in chronic and high dose users, it may not be successful : http://onlinelibrary.wiley.com/doi/10.1002/hbm.20732/abstract It is one of the drugs used in the treatment and prophylaxis of apnea in prematurity. The effect is same: http://pediatrics.aappublications.org/content/109/5/784.abstract The recent upsurge of data linking cardiovascular safety (benefit) of coffee may not be solely due to Caffeine content as Tea is not linked (apparently) ! http://doc2doc.bmj.com/forums/off-duty_journal-club_coffee-drinking-vs-total-cause-specific-mortality The sleep hygiene with Coffee/Tea with Caffeine (content) is profoundly compromised! It is mild diuretic and might potentially cause constipation among chronic high dose uers.... Hence, it should be taken and decided in individual basis.... Posted by Matiram Pun Very interesting links! & important remark that it reduces brain blood flow although it is neurostimulant. |
