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.
Causes of Abnormally curved ends of fingernails: The following medical conditions are some of the possible causes of Abnormally curved ends of fingernails. There are likely to be other possible causes, so ask your doctor about your symptoms. Abnormally curved ends of fingernails and Abnormally curved ends of toenails (7 causes). 2  Abnormally curved ends of fingernails and Abnormal fingernail shape (6 causes). 3  Abnormally curved ends of fingernails and Abnormal fingernail shape in adults (6 causes).