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A Double-Edged Sword - Caffeine

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Submitted By jekkie
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Introduction:

Nowadays, caffeine is well known as the most popular and widely consumed drug. We can find it from foods and drinks, even many medications contain this substance, it is pervasive in our daily lives. Caffeine is one kind of rapidly absorbed organic compound. It is classified as stimulant witch can increase alertness and energy levels for a short period of time (website). Caffeine can be used as pharmacologic substance as well, for example, it is ‘commonly used in the treatment of neurasthenia and for coma recovery’ [1].

Due to the closed relation between caffeine and health, we need to understand the positive and negative effects of caffeine, and then provide guidance on how to use it in a healthy way.

The positive effects of caffeine

Caffeine has beneficial functions on preventing or even curing some kinds of diseases. This advantage has been well testified on three fields: skin cancer, Alzheimer’s disease and liver disease.

A US study has found that caffeine can decrease the risk of skin cancer [2]. They indicated that caffeine can boost the body’s natural progress, witch is called apoptosis or synchronised cell suicide. After consuming caffeine, apoptosis will increase 200 to 300 per cent. What’s more, caffeine can be linked to lower risk of non-melanoma skin cancer. Several earlier studies showed that caffeine can decrease the forming of cancerous cells, which may cause cancers.

In addition to reduce the incidence of skin cancer, it has evidenced that caffeine not only helps to prevent Alzheimer’s disease but also can treat it [3]. Thanks for the peculiarity as one kind of rapidly absorbed organic compound, caffeine can enters the brain easily and directly destroys the disease process. Bata amyloid plaques is an abnormal protein which is harmful to nerve cells. By consuming caffeine, the incidence can be reduced.

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