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Introduction and objective Osteoporosis is a disorder that leads to a decrease in bone mass, accompanied by a disruption in bone structure, resulting in an increased risk of bone fractures. It affects a large number of people worldwide and constitutes a significant social and economic problem. It primarily affects older individuals, especially postmenopausal women. Fractures associated with osteoporosis diminish the quality of life. Osteoporosis often remains asymptomatic and is difficult to diagnose, typically identified incidentally following a low-energy fracture. Diagnosis of osteoporosis involves measuring bone mineral density using dual-energy X-ray absorptiometry (DEXA). Osteoporosis is diagnosed when bone mineral density is found to be more than 2.5 standard deviations (SD) below the mean bone mineral density of healthy young adults with peak bone mass. Modifiable risk factors for osteoporosis include lack of physical activity, calcium deficiency in the diet, and alcohol consumption. Review methods The article was based on scientific papers retrieved from the PubMed website and scientific literature. The focus was on papers from 2016 to 2024. Articles written in English were utilized. Brief description of the state of knowledge Physical activity encompasses any muscular movement that increases energy expenditure beyond the resting metabolic rate, including weight-bearing exercises, strength training, high-intensity strength exercises, and balance and mobility training. Weight-bearing exercises yield the best results in osteoporosis prevention, recommended to be performed three times a week. Summary Physical activity is a scientifically proven preventive factor against osteoporosis, reducing the frequency of falls and increasing bone mineral density. Initiating physical activity at a young age yields significant benefits for bone strength.

Obesity is a chronic disease that requires diagnosis and treatment. Excess body fat and metabolic disorders, resulting from the disease, are associated with the risk of numerous complications. Among the most widespread are type 2 diabetes, hypertension, dyslipidemia, atherosclerosis, non-alcoholic fatty liver disease and sleep apnea syndrome. Weight reduction significantly improves prognosis, and can mitigate or even reverse complications. A dietary method gaining popularity recently is intermittent fasting. It involves alternating periods of eating and fasting according to a fixed time schedule. There are different types of diet, differing in the length of the fasting period. Intermittent fasting affects the human body by regulating the diurnal rhythm, inducing metabolic switching, that is switching from using glucose as an energy source to lipid oxidation, and by modulating the composition of the gut microbiota. The effects of the diet, proven in clinical trials, include weight loss, improved glucose tolerance, lowered hemoglobin A1c and insulin levels, and improved tissue sensitivity to insulin. However, there is no evidence supporting the superiority of intermittent fasting over continuous calorie restriction. Intermittent fasting also carries a risk of adverse effects, the most serious of which are hypoglycemic episodes. These occur especially in people with type 2 diabetes and taking diabetes medications. Although intermittent fasting appears to be a promising strategy in the fight against obesity and type 2 diabetes, further research is needed to evaluate its long-term effects on the human body.

Russia's aggression against Ukraine is undoubtedly a tragic event that will bring various, often difficult to predict, consequences at many levels of functioning. Certainly, the mental health of war victims faces many challenges. The mental health crisis that occurs during war is a public health problem.28 One of the main disorders that appear in people directly or indirectly related to war is PTSD. It arises as a result of experiencing extremely dangerous, terrifying events that go beyond one's ability to cope and is manifested by symptoms such as: obsessive, persistent re-experiencing of traumatic events, avoidance of factors causing a "return" to traumatic memories, excessive arousal and a sense of constant threats.8, 10 Many factors influence the occurrence of PTSD. It is extremely important to look at the reasons that make it difficult to obtain support. mental health and improving the support system. Ukrainian children and youth deserve special attention here. A developing young society must face particularly great challenges, and it is their mental well-being that guarantees better development of the entire nation. Every effort must be made to ensure that citizens of a country at war receive adequate support. We have many methods of help, from basic emergency support, through a wide range of psychotherapy, to medications in the most severe cases. Additionally, the knowledge of the existence of a phenomenon such as post-traumatic growth may give hope and motivation to act to people in mental crisis struggling with symptoms of PTSD. However, the war continues and there will be more and more victims struggling with post-traumatic stress disorder (PTSD) and other mental health disorders. We cannot determine at this point how much damage this conflict will cause. However, it is worth acting now to prevent and limit the tragic consequences of the situation in which Ukraine finds itself.

There are many confirmed risk factors for development of the colorectal cancer, which is one of the most common malignant tumor among both females and males. Moreover, it is a cause of significant percentage of all cancer-related deaths. Even with treatment, the 5-year survival rate is very low. We concentrate on impact of artificial sweeteners on risk and course of adenocarcinoma of colon.

Background: Influenza is a disease affecting the human respiratory system. A common problem is to confuse colds with influenza, which results in problems with vaccination and complications related to influenza. Particular attention should be paid to the treatment of influenza, as it is a serious health risk if not treated in the elderly. Research conducted by scientists from Taiwan shows that currently the best way to protect against influenza is preventive vaccination. In addition to vaccination, antiviral drugs (Oseltamivir, Zanamivir, Amantadine, Rimantadine), antipyretics (aspirin, paracetamol) are used. Attention is paid to natural methods (ginseng extract, root lichen extract) and supplements (vitamin C, zinc). Material and Methods: This article is based on a review of the current state of knowledge on influenza in the elderly. The most up-to-date literature with EBSCO, Google Scholar and PubMed has been reviewed. Key words such as influenza, influenza complications, vaccinations, influenza treatment. Results: In the context of the above topics, particular attention is paid to the elderly, in whom a low level of immunity predisposes to getting sick. An increase in the incidence of disease causes an increase in the mortality of older people. Complications following the occurrence of influenza are closely related to the type of virus, where the influenza A virus classified as the heaviest in the course. It has been proven that the bird influenza virus is also a threat to humans. The classic symptoms of influenza are cough, fever, while complications associated with untreated influenza are primarily myocarditis or pneumonia. Conclusion: Due to the decline in immunity, older people are particularly at risk of influenza virus. Scientists have demonstrated the high effectiveness of protective vaccination, but one should remember to repeat them every year. Vaccinations in the elderly have reduced effectiveness, which is why antiviral therapies, natural methods and supplements are used. In the rational treatment of influenza, it is noted that natural methods and supplements are an addition to classic antiviral therapy.