Despite numerous studies evaluating the risk of breast cancer among oral contraception users, the effect of oral contraceptive on developing breast cancer remains inconclusive. Therefore, we conducted a systematic review of literature with meta-analysis in order to quantitative estimate this association. The bibliographic database MEDLINE and EMBASE, and reference lists of identified articles were searched, with no language restrictions, from the start of publication to August 2010. We performed a reanalysis and overall estimate of 79 case-control studies conducted between 1960–2010, including a total of 72,030 incidents, histologically confirmed cases of breast cancer and 123,650 population/hospital controls. A decrease was observed in cancer risk in OC users before age 25 years (0.91, 0.83–1.00). However, the use of OCs before the first full-term pregnancy had a significant increased risk of breast cancer (OR, 1.14, 1.01–1.28, p = 0.04), as did OC use longer than 5 years (1.09, 1.01–1.18, p = 0.02). Pooled crude odds ratios of breast cancer in ever-users of oral contraceptives was 1.01 [95% confidence interval (CI), 0.95–1.07], compared with never-users. There was no significant increase in risk among premenopausal women (1.06, 0.92–1.22), postmenopausal women (0.99, 0.89–1.10), or nulliparous women (1.02, 0.82–1.26). Oral contraceptives do not appear to increase the risk of breast cancer among users. However, OC use before a first full-term pregnancy or using them longer than 5 years can modify the development of the breast cancer.

The aim of the report was to investigate the impact of soy protein and isoflavones on glucose homeostasis and lipid profile in type 2 diabetes. The studies used in this report were identified by searching through the MEDLINE and EMBASE databases (up to 2020). Meta-regression and subgroup analyses were performed to explore the influence of covariates on net glycemic control and lipid changes. Weighted mean differences and 95% confidence intervals (CI) were calculated by using random-effect models. Changes in the lipid profile showed statistically significant decreases in total cholesterol and LDL-C concentrations: ‒0.21 mmol/L; 95% CI, ‒0.33 to ‒0.09; p = 0.0008 and ‒0.20 mmol/L; 95% CI, ‒0.28 to ‒0.12; p < 0.0001, respectively, as well as in HDL-C (−0.02 mmol/L; 95% CI, −0.05 to 0.01; p = 0.2008 and triacylglycerols (−0.19 mmol/L; 95% CI, −0.48 to 0.09; p = 0.1884). At the same time, a meta-analysis of the included studies revealed statistically insignificant reduction in fasting glucose, insulin, HbA1c, and HOMA-IR (changes in glucose metabolism) after consumption of soy isoflavones. The observed ability of both extracted isoflavone and soy protein with isoflavones to modulate the lipid profile suggests benefits in preventing cardiovascular events in diabetic subjects. Further multicenter studies based on larger and longer duration studies are necessary to determine their beneficial effect on glucose and lipid metabolism.

A minor subset (approximately 5%) of peripheral T cells has their TCR build up from γ and δ chains instead of α and β—those are the γδ T lymphocytes. They can be functionally divided into subsets, e.g., Th1-, Th2-, Th9-, Th17-, Tfh-, and Treg-like γδ T cells. They share some specifics of both innate and adaptive immunity, and are capable of rapid response to a range of stimuli, including some viral and bacterial infections. Atopic diseases, including asthma, are one of major health-related problems of modern western societies. Asthma is one of the most common airway diseases, affecting people of all ages and having potential life-threatening consequences. In this paper, we review the current knowledge about the involvement of γδ T cells in the pathogenesis of asthma and its exacerbations. We summarize both the studies performed on human subjects as well as on the murine model of asthma. γδ T cells seem to be involved in the pathogenesis of asthma, different subsets probably perform opposite functions, e.g., symptom-exacerbating Vγ1 and symptom-suppressing Vγ4 in mice model of asthma.

When faced with a chronic disease such as rheumatoid arthritis, the patient attempts to cope with the stressful situation by applying coping strategies. The main aim of rheumatoid treatment is not only improving health but also increasing the quality of life. The research objective was to determine the relationship among socio demographic factors, duration of the disease and its associated ailments, attitude to the disease, self-assessment of one's knowledge of RA, and the application of coping strategies in stressful situations by women with rheumatoid arthritis. The study involved 193 patients of the Clinic of Rheumatology and Systemic Connective Tissue Diseases, and the Rheumatology Unit of the Specialist Outpatient Clinic of the Independent Public Teaching Hospital No. 4 in Lublin, from November 2016 - June 2017. The Coping Orientations to Problems Experienced Inventory (COPE) Questionnaire and an author's Original Questionnaire were used in the study. Analysis of variance (ANOVA) and Tukey's range test were applied for statistical analysis. A p-value<0.05 defined the statistical differences. Analysis was performed using the commercial SPSS Statistics 19 software (IBM Corp., Armonk, NY, USA). The respondents usually use instrumental social support (11.5±1.7), focus on and vent emotions (11.4±1.9), use emotional social support (11.4±1.8), employ active coping (11.4±2.1) and positive reinterpretation and growth (11.2±1.8), and least often rely on their sense of humour (5.5±1.4) or use alcohol or drugs (5±1.1). The factors which determine the types of strategy used are age, education, the duration of the disease, ailments experienced, and attitude towards the disease. Those respondents who declared a greater knowledge of RA more often applied positive reinterpretation and growth, and more rarely used alcohol or drugs. In the treatment and rehabilitation processes it is important to reinforce in the patient positive expectations for the treatment, seek advantages and benefits in one's present health status, and educate patients about the disease, its therapy and appropriate coping strategies.

Osteoporosis constitutes one of the relevant health, social and economic problems of the contemporary world which concerns 200 million women, of whom about 20-25% will experience a bone fracture. The aim of the study was to learn about the health beliefs and sense of self-efficacy in peri- and post-menopausal women regarding the prevention of osteoporosis.