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.
Other medical conditions that can cause brittle nails include anemia (low blood count), thyroid disorders, and certain skin disorders such as lichen planus or psoriasis. It is important to see your primary care doctor or dermatologist to determine the cause of your symptoms and discuss the appropriate treatment.