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Which is the following is the best predictor of heart disease risk?

Which cellular mechanism has been attributed to the hypothesis that physical activity may increase neural cell proliferation and survival and is associated with more brain cells and enhanced learning ability?

What can you determine from the following table from the study “Physical Inactivity and Short-Term All-Cause Mortality in Adults with Chronic Disease”?  Table 3. Models of Probability of Mortality During the 42-Month Follow-Up* Variable Model 1 Model 2 Model 3 Model 4 Age (in years) centered Raw coefficient estimate 0.07 0.06 0.07 0.07 MRR (1-SD change) 2.12† 2.04† 2.19† 2.20† Female Raw coefficient estimate −0.51 −0.44 −0.45 −0.45 MRR 0.60† 0.64† 0.64† 0.64† Charlson score ≥3‡ Raw coefficient estimate 1.24 1.23 1.22 1.22 MRR 3.45† 3.42† 3.40† 3.40† Impaired§ Raw coefficient estimate 0.54 0.53 0.62 0.62 MRR 1.71† 1.69† 1.86† 1.87† Current smoker || Raw coefficient estimate 0.63 0.61 0.71 0.71 MRR 1.88† 1.84† 2.04† 2.04† PA days 0 Raw coefficient estimate 0.76 – – – MRR 2.15† – – – 1–3 Raw coefficient estimate – −0.85 – – MRR – 0.43† – – ≥4 Raw coefficient estimate – −0.77 – – MRR – 0.46† – – Godin units ¶ 1–12 Raw coefficient estimate – – 0.70 – MRR – – 2.01† – 13–25 Raw coefficient estimate – – – −0.72 MRR – – – 0.49† 26–280 Raw coefficient estimate – – – −0.68 MRR – – – 0.51† −2 Log likelihood 2654.81 2651.88 2661.28 2661.25 df 7 8 7 8 *Models 1 and 2 include an indicator variable for missing data on days of physical activity (PA), while models 3 and 4 include an indicator variable for missing data on the Godin score. Each type of model is further described in the “Results” section of the text. There were 1832 subjects in each model. MRR indicates mortality risk ratio; and ellipses, data not applicable. † P

According to a study reporting on the risk of developing common chronic diseases during a 10-year period which of the following diseases is a man or woman most at risk of developing with increasing levels of BMI

What can happen if a person increases consumption of fruits and vegetables from 2 servings to 5 servings per day?

According to the figure on the prevalence of hypertension in China, which statement is the best interpretation of the data?  Image Description The first bar graph depicts the prevalence of hypertension among men in 1991 and 2000–2001. The graph information is provided in the following table. Prevalence of Hypertension in Men Age group 1991 2000–2001 35–44 10.0% 17.4% 45–54 17.9% 28.2% 55–64 29.3% 40.7% 65–74 40.1% 47.3% Total 20.2% 28.6% The second bar graph illustrates the prevalence of hypertension among women in 1991 and 2000–2001. The graph information is provided in the following table. Prevalence of Hypertension in Women Age group 1991 2000–2001 35–44 6.6 10.7 45–54 18.0 26.8 55–64 29.6 38.9 65–74 43.5 50.2 Total 19.1 25.8

Person-time is a combination of the number of persons and their time contribution in a study and can be used to calculate incidence rate for a given time period.

What would be the “takeaway message” for the following graph? Image Description A bar graph illustrating deaths caused by cancer and heart disease from 1950 to “Current” (2010). The graph’s information is provided in the table below. Comparison between heart disease deaths and cancer deaths per 100,000 Year Heart Disease deaths/100,000 Cancer deaths/100,000 1950 600 200 1960 580 200 1970 500 200 1980 400 210 1990 330 220 2000 280 210 Current 250 200

Which food group has the highest nutrient density for calcium?

In a study reviewed in Lesson 13 on the effect of portion size of macaroni and cheese and energy intake it was reported that…