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Extremely Low Frequency (ELF) electromagnetic waves are increasingly recognized for their potential in treating bone health as a safe and effective non-invasive method. Studies have shown that ELF can stimulate osteoblast activity, increase bone density, and accelerate fracture healing. This article reviews the mechanism of ELF, its application in the treatment of osteoporosis, and its safety in clinical practice. With standardized parameters, ELF can be an innovative solution for chronic bone disorders or abnormalities, as well as providing great benefits in the medical world.

Enhanced oil recovery (EOR) is the recovery of oil remaining in a reservoir after primary and secondary recovery methods because it has been exhausted or is no longer economical, using thermal, chemical or mixed gas processes. Most conventional methods are not suitable for extracting oil from high temperature and high pressure (HTHP) reservoirs due to chemical degradation in the environment. Alternatively, electromagnetic (EM) energy is used as a thermal method to reduce oil viscosity in reservoirs, thereby increasing oil production. The application of nanotechnology in EOR is also investigated. In this study, we investigate a non-invasive method by injecting dielectric nanofluids into an oil reservoir simultaneously with electromagnetic irradiation, with the aim of increasing oil production by causing disruption at the oil-water interface. During core displacement tests, ZnO and Al2O3 nanofluids were shown to obtain higher amounts of residual oil than commercial sodium dodecyl sulfate (SDS) surfactant without EM irradiation. With EM irradiation, more residual oil is obtained compared to without irradiation. It has also been shown that changing the viscosity of dielectric nanofluids during electromagnetic irradiation increases sweep efficiency, resulting in higher oil recovery.

Based on the 2018 Riskesdas results, the proportion of breastfeeding patterns for babies aged 0-5 months in Indonesia is 37.3% exclusive breastfeeding, 9.3% partial breastfeeding and 3.3% predominant breastfeeding. Predominant breastfeeding is breastfeeding the baby but giving a little water or a water-based drink, for example tea, as a prelacteal food/drink before the milk comes in. Meanwhile, partial breastfeeding is breastfeeding a baby and giving artificial food other than breast milk such as formula milk, porridge or other food before the baby is 6 months old, whether given continuously or as prelacteal food. North Sumatra Province Nutrition Program Data in 2018. The percentage of exclusive breastfeeding for babies 0-6 months in North Sumatra in 2018 was 65.57 percent, an increase compared to the percentage of exclusive breastfeeding in 2017, namely 54.4 percent (Sumatra Provincial Health Service, 2017). 2018). In the breastfeeding process, problems sometimes arise that can prevent giving breast milk to babies. Problems that mothers often experience when breastfeeding include inverted nipples, swollen breasts, sore and painful nipples, blocked milk ducts, breast inflammation and insufficient milk production (Purwoastuti, 2015). There are many non-pharmacological methods that can help postpartum mothers increase breast milk production, ranging from marmet massage, oxytocin massage, Woolwich massage to areola and rolling massage. Currently, based on the results of related research, there are non-pharmacological methods that are cheaper, easier, non-invasive and acceptable to respondents and without side effects. Nursing interventions that can be applied to help increase lactation in post partum mothers are the SPEOS method (Endorphin, Oxytocin and Suggestive Massage Stimulation).

EMG is a method widely used to estimate muscle activity and can help understand how muscles interact with each other that affects human movement control. In this study to detect muscle interaction during contraction and relaxation of the triceps elbow muscle. Non-invasive techniques are used in this study to characterize muscle electrical activity. In this study, additional loads were added to the contraction movement to observe whether there was a relationship between changes in muscle activity and the load carried by the muscle in male and female subjects. Signal changes can be read by the microcontroller ADC and then sent to Blynk. This study shows that during the relaxation movement, the subject has an average Vpp value of 0.007 V. When performing the contraction movement, the average Vpp value increases to 0.024 V. When a 2 kg load is added, the average Vpp value increases to 0.027 V. The heavier the load carried, the Vpp value of muscle activity also increases.

Hypertension is a disease that can be experienced by various groups of people from high to lower middle social levels, from teenagers to the elderly where this condition experiences an increase in blood pressure from normal conditions (130/80 mmHg). One non-pharmacological intervention, namely foot reflexology, is an option because this action is safe for patients because it is not invasive and is easy to do by traffic. Foot reflexology massage is able to improve blood flow, the nerve points of the feet are massaged and have a relaxing effect on the body. Foot massage has a mechanical effect of improving blood circulation so it can lower blood pressure. To determine the results of applying foot reflexology massage on blood pressure in hypertensive patients at Karanganyar Regional Using a descriptive method in the form of a case study for 2 patients with hypertension. Respondent 1 before applying foot reflexology massage found blood pressure from 176/100 mmHg to 165/90 mmHg. Meanwhile, Respondent 2 before applying foot reflexology massage found that his blood pressure was 150/90 to 143/80. Foot reflexology massage can be used as a non-pharmacological technique to reduce blood pressure in hypertension patients.

Body composition refers to the distribution of fat, muscle, bone, and other tissues in the human body, which is often expressed as a percentage of total body weight consisting of fat mass and lean body mass. Obesity, characterized by excess fat in adipose tissue, poses a significant health risk and is increasing in countries with low and medium mortality rates, especially in metropolitan areas. Factors contributing to this include genetics, a lack of physical activity, socioeconomic status, unhealthy eating patterns, psychosocial factors, smoking, and alcohol consumption. Excess body fat significantly contributes to morbidity and mortality. Although optimal body fat levels vary, excess fat increases the risk of health issues such as joint problems and cardiovascular disease. People widely use bioimpedance analysis (BIA), an efficient, non-invasive method, to assess nutritional status and body composition. This activity uses the PDCA (Plan-Do-Check-Action) method, which is carried out at PT. Narindo, North Jakarta, in the productive age population. The examination results showed that the average levels of total body fat, visceral fat, total subcutaneous fat, total muscle mass were 28.6%; 11%; 22.2%; 28.3%. Early detection of body composition is critical for assessing nutritional and health status as well as diagnosing disease, potentially reducing obesity-related morbidity and mortality.

Surgery is an invasive treatment that involves opening a part of the body through an incision which ends with closing or suturing the wound. Molecular mechanisms for treating pain have led to the development of multimodal analgesia, combining pharmacological and non-pharmacological interventions. Benson Relaksası is a development of the deep breathing relaxation method by involving the patient's key factors which can create a calm environment. To find out the results of applying Benson relaxation therapy to reduce pain intensity in post laparotomy patients at HCU Cempaka Regional General Hospital (RSUD) Dr. Moewardi Surakarta. This type of research is descriptive research in the form of a case study. Involving 2 post-operative patients. The research instrument used the Numeric Rating Scale (NRS) questionnaire. The results of the study showed that before applying Benson relaxation therapy to Mr. M, an NRS score of 7 (severe pain) was obtained, while for Mrs. Trn.M obtained an NRS score of 3, indicating both patients experienced mild pain after the intervention.  After applying benson relaxation for 3 consecutive days on Mr. M and Mrs. H, it can be concluded that there was a decrease in the level of pain in both patients.

Background: BBLR refers to a disruption in the respiratory system of a baby caused by unstable physiological functions, including temperature, pulse, and oxygen saturation. One strategy for managing the condition is the implementation of continuous positive airway pressure (CPAP), a non-invasive technique. Developmental care further reinforces the efficacy of CPAP. One specific effort in providing developmental care is to modify the position of newborns to a comfortable state via nesting. Objective: This scientific paper seeks to examine the effects of nesting therapy and pronation posture on the hemodynamic status of low weight newborns in the BBLR population. CPAP is installed in the Perinatology Room of RSUD Kabupaten Tangerang. Method: Provision of Nursing Care Intervention and innovation in the application of nesting and pronation position against hemodynamics. Results: Based on case studies in managed patients, there were changes in hemodynamic status such as pulse, breathing and temperature in patients before and after treatment.

Pregnancy is a physiological and natural process. Based on WHO data in 2020, the global prevalence of anemia in pregnant women throughout the world is 41.8%, which is related to anemia in pregnancy caused by iron deficiency and acute bleeding. Efforts that can be made to overcome anemia are by giving beetroot, pomegranate, dragon fruit or guava juice or you can also consume boiled chicken eggs to increase hemoglobin levels. The nutritional content of chicken eggs is rich in high quality protein. The aim of this research is to determine the effectiveness of consuming boiled chicken eggs and fe tablets on hemoglobin levels in anemic pregnant women at Clinic I Bekasi in 2023. The research method used is the Quasi-experimental Pre-Post Test With Control Group Design method. Sampling was taken with a total sampling of 30 people. Data analysis used frequency distribution and independent t test. This study uses primary data from Hb examination values by researchers. The research results showed that the average increase in Hb in the intervention group was higher than in the control group. The calculated t value (6.768) > t table (2.048). The results of the analysis used the Independent t test with a p-value of 0.000 < 0.05, meaning that Ho was rejected and Ha was accepted, meaning that there was an effect of consuming boiled chicken eggs and Fe tablets on hemoglobin levels in anemic pregnant women at Clinic I Bekasi in 2023.It is hoped that this research will provide material for consideration of non-invasive therapy that can be offered to pregnant women in order to reduce the number of pregnancy complications, especially helping pregnant women have a healthy and happy pregnancy.