An ingrown toenail can result from a number of things. Poorly fitting shoes and toenails that are not properly trimmed are the most common causes. The skin along the edge of a toenail may become red and infected. The great toe is affected most often, but any toenail can become ingrown.
Participatory rural appraisal (PRA) Brief Description. Participatory rural appraisal (PRA) is a set of participatory and largely visual techniques for assessing group and community resources, identifying and prioritizing problems and appraising strategies for solving them.
Prostate-specific antigen, or PSA, is a protein produced by cells of the prostate gland. The PSA test measures the level of PSA in a manâs blood.For this test, a blood sample is sent to a laboratory for analysis. The results are usually reported as nanograms of PSA per milliliter (ng/mL) of blood.rostate-specific antigen, or PSA, is a protein produced by cells of the prostate gland. The PSA test measures the level of PSA in a manâs blood.