Caffeine has been shown to stay in people's systems for as long as eight and up to thirty hours.

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Like other herbs and drugs it affects each person in a different manner.Caffeine also forces the liver to release more glucose into the blood stream. This produces a blood sugar high that is often followed by a severe drop in blood sugar. (The need for a nap or another cup of coffee!) Extra coffee also puts added stress on your kidneys.So what is wrong with your coffee habit if it lures you out of bed every morning? The reason you may be craving that coffee every morning is that you are addicted to its effects. Coffee or caffeine withdrawal headaches can be terrible. They often come with the overwhelming feeling of fatigue as your body tries to recuperate from its former caffeine driven pace. If you skip your morning coffee you get a terrible headache. Caffeine acts as a vasoconstrictor in the brain. That means it actually constricts blood vessels in the brain and decreases circulation! When caffeine is not present the sudden increased circulation causes headaches.What is the answer if you are someone like me who loves the aroma of dark coffee and just can't say no? The good news is that you can wean yourself down from the several cups a day and eventually off coffee completely if you do it slowly over a two to three week  CogniQ You can also rebuild your adrenal glands with herbs and help from organic whole foods. I like to recommend superfood blends that are very dense in nutrients and minerals. Your diet should be a building diet and avoid or cut back on stimulants, sugar, sodium and alcohol. Foods rich in Potassium should be added to the diet This will help the adrenals by correcting the potassium/sodium balance in the body  http://www.healthcaresdiscussion.com/is-cogniq-scam-or-fake/