Commentary: Problems without answers

Leadership Without Easy Answers

Re: "Invited commentary: unexplained health problems after Gulf War service--finding answers to complex questions".

Numerous studies have investigated the health problems reported by veterans of the Persian Gulf War, but important questions remain. Epidemiologic studies have consistently indicated that Gulf War veterans report unexplained symptoms at significantly higher rates than veteran comparison groups but that they have not experienced excess rates of disease-related mortality. Addressing unanswered qu...

Answers for Sample Final Problems

a. The Chou-Fasman method is based on the propensity of different amino acids to form different types of secondary structure. It then looks for patterns of these different types of residues to determine the presence of helices and strands etc. These propensity values reflect the physics of the individual amino acids ie prolines are likely to break helices because of its sidechain. b. The GOR me...

Commentary Natural and unnatural answers to evolutionary questions

The sequence, structure, and function of natural biopolymers frequently appear to be optimally adapted to their metabolic and physiological tasks. So much so that ‘‘scientific creationists’’ frequently argue that natural biopolymers could not have possibly arisen by chance, and that the conservation of histone sequence is a sign of providential necessity rather than natural chance. Evolutionary...

Commentary: Race and mental health--more questions than answers.

Racial differences in attitudes toward professional mental health care and in the use of services. Am J Orthopsychiatry 2000;70:455–64. 30 Neighbors HW, Jackson JS, Campbell L, Williams D. The influence of racial factors on psychiatric diagnosis. Community Ment Health 1989;25:301–11. 31 Neighbors HW, Trierweiler SJ, Ford BC, Muroff JR. Racial differences in DSM diagnosis using a semi-structured...