3.2 RESEARCH DESIGN Burns and Grove (2003:195) define a research design as âa blueprint for conducting a study with maximum control over factors that may interfere with the validity of the findingsâ.
MotherNature.com states that weak nails can mean there are problems elsewhere in the body. Psoriasis, a condition of the skin that can lead to itching, can cause weak nails. Hyperthyrodism, which is an overactive thyroid gland, can also cause weakness. Anemia may also contribute to weak nails. In addition, it can signal a calcium deficiency.
Posted by in Fingernails. ANSWER: Fingernails can curl from a B12 or iron deficiency. More Info: One of the medical terms for curled fingernail is âkoilonychiaâ, more commonly known as âspoon nails.â The main cause of this is iron deficiency anemia, or a lack of enough B12. This vitamin is found generally in meat products, not fruits and vegetables.