The value of arterial blood pressure is variable. It depends on the time of the day, external and internal factors such as genetics and lifestyle. Moderate and regular physical activity, as well as weight reduction, can affect the reduction of high arterial blood pressure (ABP). The influence of physical activity on the health of the elderly is not well researched. The objective of this systematic review study is to collect and analyze studies of the effects of different types of exercise programs on arterial blood pressure of the elderly. Based on an analysis of electronic databases and the inclusion criteria set, 21 studies were included in the analysis. Performing only one exercise training program with the elderly leads to a fall of systolic blood pressure (SBP) from 7 to 30 mm Hg and of diastolic blood pressure (DBP) from 3 to 17 mm Hg, whereas a long term training program reduces SBP for 17 and DBP for 7mm Hg. The combination of aerobic training (AT) and resistance training (RT) with the elderly gives the best results in reducing ABP, increasing arterial elasticity, thus reducing the chance of getting a cardiovascular disease.

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The aim of this case-control study, conducted in Serbia during the period 1998-2000, was to investigate whether diet was associated with the development of gastric cancer. The case group consisted of 131 patients with histologically confirmed gastric cancer, and the control group of 131 patients with orthopedics diseases and injuries. Cases and controls were individually matched by age (+/- 2 years), gender, and place of residence. On the basis of multivariate logistic regression analysis, following factors were found as independent risk factors for gastric cancer: more frequent consumption of high-fat milk [Odds ratio (OR) = 1.45, 95% confidence interval (CI) = 0.99-2.16]; mutton, lamb and/or calf meat (OR = 2.46, 95% CI = 1.11-5.47), sugar (OR = 2.13, 95% CI = 1.43-3.18), semi-white bread (OR = 2.09, 95% CI = 1.25-3.50), and salting food (OR = 5.72, 95% CI = 2.63-12.42). Factors found as protective were: more frequent consumption of margarine (OR = 0.41, 95% CI = 0.25-0.69), "other" cheeses (OR = 0.47, 95% CI = 0.29-0.77), and fish (OR = 0.39, 95% CI = 0.19-0.76).

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