If the half moons are gone, or barely visible it can mean a low Vitamin B-12 count. Low Vitamin B-12 can eventually cause problems which range from depression, disturbed sense of co-ordination, paraesthesiae, loss of memory, abnormal reflexes, weakness, loss of muscle strength, exhaustion, confusion, low self-confidence, spacticity, incontinence, impaired vision, abnormal gait, frequent need to pass water and psychological deviances.
Sub-lingual (A pill dissolved under the tongue) B-12 is the best form of supplementation,
Taken IN THE MORNING (As taking B-12 at night can keep you up).
A B-Complex Vitamin or B-12 Vitamin Swallowed (and digested in the Stomach) may not fully be absorbed in some people with Gastrointestinal Disorders.
Nothing it is where a part of the nail has become detatched from the finger.
"Twenty moons" refers to the 20 primary teeth that children typically have in their mouths, which begin to erupt around age 6 and are gradually replaced by permanent teeth.
Nails (and finger nails) have volume.
Some people say it is due to lack of B12. You could try some and see if it makes a difference.
Finger nails are made of a protein called keratin.
No one invented finger nails.
Actually, finger nails contain protein (called "keratin").
By system, you mean category.. I'm not sure if you mean finger nails or like tool nails, so I'll give you both. Finger nails: Body parts Tool nails: Hardware
Finger nails (and toe nails) are made of keratin.
yes
Nails
yes