The rules for hardship distributions vary by the type of plan from which you intend to take a hardship withdrawal. What constitutes a âhardshipâ is typically set forth in the plan itself.If your 401(k), 403(b) and 457(b) plan permits hardship withdrawals, for example, the plan may permit distributions for medical or funeral expenses, but not for the purchase of a principal residence or for payment of tuition and education expenses.he rules for hardship distributions vary by the type of plan from which you intend to take a hardship withdrawal. What constitutes a âhardshipâ is typically set forth in the plan itself.
Another difference between the two is that while etiology is content to expound on origin, cause, and effect, epidemiology is an ongoing study which keeps known diseases in check while keeping a lookout for new, unidentified threats to human well-being.
Epidemiology is the area of healthcare that deals with the incidence, distribution, and possible control of diseases, illnesses and other factors relating to health. Epidemiology is a field where trained epidemiologists study patterns of frequency and the causes and effects of diseases in human populations. Epidemiology provides the scientific footings for evidence-based medicine and allows placement of strategies for improvement in public health.