
Nails are composed of several layers of dead cells, which themselves do not get sick. But the substances that contact with the nails (often cosmetic, destined to improve the nails), may irritate the tissue surrounding a nail, which leads to a deterioration of their appearance. Moreover, poor general health, as well as some bad habits such as smoking, can cause discoloration of the nail, splitting nails and many other problems. How does the overall state of health affect our nails Many serious diseases can be diagnosed by analyzing the nails. Very pale nail is often a sign of anemia, while the bluish nail shows cardiovascular system illness or the lungs'. In these cases, the body is...