To do the test, users should place the tips of their index fingers back to back so that the two nails are squeezed together and look for a gap between them. If there is no gap, it is not only an indication of lung can:cer, but also of liver dis:eas:e, heart dis:eas:e, inflammatory bowel dis:eas:e (IBD), or AIDS.
Dangerous dis:eas:es shown on nails
1. Brittle, easily broken nails: An indication of aging, psoriasis, or thyroid dysfunction.
2. Pale nails: Warning signs of anemia, congestive heart failure, liver disease, and malnutrition.
3. Black Spots on Nail Tips: Signs of Diabetes
4. Blue or purple nails: Indicate a lack of oxygen in the body.
5. Wavy nails: Indicate scaly skin or arthritis.
6. Nail grooves: A warning sign of diabetes, vascular disease, zinc deficiency….
7. Cracked or split nails: Linked to thyroid disorders. Fungal illnesses are generally the cause of cracked or split nails that are slightly yellow in color.
8. Spoon-shaped nails: A sign that the body is deficient in iron (anemia), and has a liver illness, heart disease, or hypothyroidism.
9. Frizzy nails: Infection, psoriasis, thyroid problems, and poor circulation can all cause loose, easily shaken nails.