Friday, August 25, 2006

Why is coffee and black tea making you piling on the pounds?


One of the most common mistakes that dieters make is to replace food with tea and coffee to avoid hunger cramps and provide an energy boost. Unfortunately, this is a big mistake as the effects of caffeine on your blood sugar level are similar to that of sugar. How can caffeine, which is contained in coffee and black tea, do this?

Well, to nerve cells caffeine looks like a substance made in the brain which slows down nerve cell activity and causes drowsiness (adenosine). Caffeine therefore prevents adenosine from exerting its action (slowing down brain cell activity) actually speeding brain activity up.

Then, the pituitary gland in the brain releases hormones that tell the adrenal glands to produce adrenaline. These stimulant effects are why caffeine is known as a pick me up, and why so many people can’t do without their dose of tea or coffee to get them started in the morning.

In conclusion, the increase in blood sugar levels, given by caffeine and also buy other foods, is of real interest in relation to dieting.

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