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.
More chapters in Epidemiology for the uninitiated. Epidemiology is the study of how often diseases occur in different groups of people and why. Epidemiological information is used to plan and evaluate strategies to prevent illness and as a guide to the management of patients in whom disease has already developed.