The instruments require that respondents assess their average habit, something that may be difficult for persons whose consumption varies considerably.
In addition the relationship between the environment and disease, and the science underlying cluster investigation (e.g., definition of geographic boundaries, calculation of expected rates of disease, population demographics, etiology of cancer, statistical issues) are complex topics and can be difficult for persons without scientific education and training to comprehend (Turney 1996).
(participant C) In Korea, talking about sex related topics is difficult for many persons, even between parents and their children.
Moreover, in general it is difficult for homeless persons to appropriately manage chronic conditions, thus resulting in a greater probability for ACSC hospital admissions [ 19].
The fact that little research has been conducted on early-onset dementia has been attributed in part to the fact that dementia is associated with old age [ 4] and that it is difficult for young persons and their families, as well as for healthcare professionals, to envisage this disease occurring at a young age.
"I envision a world where a person with multiple disabilities can be euthanised, with an agreement from the guardians, when it is difficult for the person to carry out household and social activities," the letter said.
"It is difficult for a person to let go," said Mr. McDonald, referring to drugs.
The very fact of it is difficult for a person of deep faith, as were costly mistakes made by their leaders.
"It is difficult for a person in jail or under detention to murder innocent people or to aid or abet in terrorism," Mr. Ashcroft said.
Cold weather makes hits hurt more, and Pittsburgh running back Jerome Bettis, a player so bulky that his nickname is the Bus, is difficult for one person to bring down even on the best defenses.
