Find out the problem seeing your tongue

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We can say many things about you seeing your tongue. This may look like an old saying, but it is true. When you visit a doctor he asks you to show your tongue. The reason behind is to know the health condition of yours by looking at your tongue. Yes a general outline of your health can be found out easily just by looking at your tongue. If your tongue is red it indicates that there is a deficiency of vitamin B12 and Folic Acid. If the tongue has got white patches it indicates the yeast infection. If there are dark patches appearing like mole it indicates the condition of Diabetes.