Plasma or laser surfacing: turn minuses in pluses

The pluses and minuses of R0.

The concept of the basic reproduction number (R0) occupies a central place in epidemic theory. The value of R0 determines the proportion of the population that becomes infected over the course of a (modelled) epidemic. In many models, (i) an endemic infection can persist only if R0>1, (ii) the value of R0 provides a direct measure of the control effort required to eliminate the infection, and (...

ASC survey respondents see more pluses than minuses in compensation.

The Pluses and Minuses of Obtaining Measurements from Digital Scans

Digital scanners are commonplace and are used in many different applications to obtain three-dimensional shapes and linear and circumferential measurements. Even though scanners can be highly accurate, measurements obtained from scanners can vary depending on how an object is scanned, aligned and processed. In this study, we examined the effect of three different alignment methods of foot scans...

Economist finds more pluses than minuses in restaurant letter grades.

Letter grading of restaurants following inspection has substantial short-term benefits—as well as some drawbacks—according to Stanford University economist Pbillip Leslie, Mr, Leslie, who is assistant professor of strategic management at Stanford, has been studying the impact of Los Angeles County's report card-style letter grading, which went into effect in 1998, "The lesson for counties is th...

The pluses and minuses of bariatric surgery for morbid obesity: An endocrinological perspective.

Obesity both in adults and children has emerged as a worldwide epidemic. Obesity is associated with an increased risk of a number of comorbidities including type 2 diabetes mellitus, hypertension, dyslipidemia, obstructive sleep apnea, certain types of cancer, degenerative joint disease, non-alcoholic fatty liver disease, reflux esophagitis, stroke, coronary heart disease, venous stasis ulcers,...