In the past few years there is a persisting trend in women circles – nicely tended nails. However, they are not meant only to be polished, but they also reveal secrets about our health!

At the very base of the nail, when you look at it, you will notice a whitish rounded surface called the HALF-MOON – literally translated from Latin lunula. Its sudden changes of colour, shape or size may indicate not only the presence of a disease but at the same time the predispositions for it. Each finger rules a certain organ, which enables us to diagnose it more easily. Our body frequently alerts us to take some preventive action on time if we notice something unusual.


How to check your health quickly, as soon as you have read this text?


As a rule, the half-moon on the little finger (pinkie), almost invisible and sometimes even non-existent, tells us about the functioning of our kidneys, small intestine and heart. The ring finger refers to the functioning of reproductive organs and the lymphatic system. The middle finger reveals the functioning of the brain and cardiovascular system, primarily the pericardium. The absence of the half-moon on this finger naturally suggests potential cardiovascular problems and high blood pressure. If the half-moon disappears on the index finger or is substantially reduced in its volume – it is probably due to the improper functioning of the bowels, pancreas or to some chronic otorhinolaryngology disease. The half-moon on the thumb reflects the functioning of the lungs and spleen – most frequently it is the best visible one, but should not take up more than 25% of the nail surface. It is much smaller in smokers or in persons with arterial hypertension.

  • Half-moons are considered to be enlarged if they take up one third or more of the nail surface itself. They first indicate problems with the cardiovascular system, irregular heartbeat and low blood pressure. They can often be observed in sportsmen or people whose profession involves increased physical activity. If that is not the case, the enlarged half-moon may also be the consequence of the high level of prolactin – a stress hormone.
  • When half-moons are substantially reduced so that they are barely visible, they indicate low blood pressure and problems with the circulation. They may also be an indicator of a weak immune system, poor metabolism and deficiency of iron and vitamin B12. If the half-moon is visibly “separated” from the other part of the nail by a horizontal line, there is likely to be a problem with the sugar level in the blood and potential development of diabetes.
  • If they are not visible at all – Small children have almost invisible half-moons but it does not mean that they are ill. In some people it is the case from their very birth due to specific physiological features of the nail structure itself. However, if half-moons DISAPPEAR suddenly – something is wrong. One medical study has shown that (sudden) disappearance of the half-moon is related to dysfunction of the thyroid gland and deficiency of vitamin B12 and iron.
  • The change of the half-moon colour also reveals important information about our health. White half-moons are healthy and natural, but they should be several shades lighter than the skin colour itself. If we notice that the half-moon on any nail is becoming greyish – it indicates serious fatigue, digestion problems and bad absorption of nutrients. Purple half-moons are a sign of bad blood circulation and oxygen deficiency in the organs and tissues. Vertigo and headache may accompany that as an additional alarm. Conspicuously pink or red half-moons tell us about insufficient physical activity and problems of the respiratory system. Their black colour is a rather rare and dangerous sign – as a rule, it points to heavy metal poisoning.


Although this is the most elementary information revealed by our nails – it is enough and definitely useful to know. Even if you have no specific health problems at the moment, you may know your predispositions for a certain problem and take some action in advance. If you lack vitamin B12, you will not delay introducing it in your nutrition. Preventive examinations are useful as well. Prevention is better than cure – according to the well-known proverb.



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