Yang and hot type
	Individuals have a sturdy body. They often feel hot, experience dryness of the mouth, prefer cold drinks when thirsty, have a reddish complexion, are easily annoyed, and tend to suffer from insomnia. They usually discharge scanty urine of a dark color, and have hard stools. Upon examination of the tongue, it appears red with a yellowish coating, or may have no coating at all. Such individuals are very sensitive to high temperatures.
	Yin and cold type
	Individuals have a frail body. They usually feel cold, have an aversion to wind, and their limbs are cold. They prefer hot or warm food and drinks, are reluctant to speak, get easily tired and have a pale or whitish complexion. They usually discharge clear urine frequently, stools are soft, and tend to suffer from diarrhea easily. Upon examination of the tongue, it appears pink and bulky with a whitish coating. Such individuals are very sensitive to cold temperatures.
	Phlegm and damp type
	A person of this constitution perfers sweet food. They experience heaviness in the body, dizziness, and tire easily. They look fatigued and sleepy in day time, and snore easily during sleep. Such people have a low metabolic rate. They tend to become overweight or bloated due to retention of water. The person may look fat but is drained of energy. The tongue looks moist and bulky, and is covered with a greasy coating. Such people are very sensitive to damp weather.
	Dry type
	Individuals belonging to this constitution feel thirsty easily and experience dryness in the eyes, throat, lips and skin. When common flu is prevalent, they will usually have a cough without mucus. Such people tend to be skinny and do not put on weight easily. Their common complaints are itchy skin, nose or eyes, and constipation - all due to lack of lubrication. They are very sensitive to low levels of humidity.
	Neutral type
	This type of person does not have any of the above complaints. They look healthy with normal skin color. They have proper appetite and sleep, and do not feel hot or cold easily. Their urine and stools are normal. The tongue is normal upon examination.

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