1. Neurophysiology

1. A cross-sectional study evaluating auditory reaction time as a measure of stress-related neural processing in undergraduate medical students during academic examination periods.
2. Comparative analysis of cognitive function using memory and attention tasks in type 2 diabetes mellitus patients versus age-matched healthy controls.
3. Evaluation of visual evoked potentials (VEPs) as a diagnostic tool for early cortical changes in patients suffering from migraine with aura: A case-control study.
4. An interventional study on the effects of an 8-week mindfulness meditation program on autonomic nervous system reactivity and stress markers in young adults.
5. A cross-sectional analysis of sleep quality using polysomnography and its association with working memory performance among night-shift industrial workers.
6. Brainstem auditory evoked potentials (BAEP) as an electrophysiological marker of neural conduction deficits in chronic alcohol-dependent patients: A case-control study.
7. Longitudinal study examining the impact of a 12-week aerobic exercise regimen on executive function and working memory in elderly individuals aged 60–75 years.
8. A case-control study of event-related potential (ERP) changes, particularly P300 latency, in medical students with internet addiction compared to non-addicted peers.
9. Evaluation of electrodermal activity and sympathetic skin response in patients diagnosed with generalized anxiety disorder: A neurophysiological case-control study.
10. An interventional study on acute autonomic and neurophysiological responses to psychological stress induced by simulated patient scenarios in final-year medical interns.

2. Cardiovascular Physiology

1. A cross-sectional study assessing resting heart rate variability (HRV) in normotensive offspring of hypertensive parents to determine early autonomic alterations.
2. Comparative study of baroreflex sensitivity using sequence method in obese and non-obese adults aged 20–35 years to evaluate early cardiovascular dysregulation.
3. Effect of 12-week yoga practice on cardiovascular autonomic reactivity using Ewing’s battery in postmenopausal women: An interventional study.
4. Evaluation of QTc interval duration and variability in patients with newly diagnosed hypothyroidism compared to healthy controls: A case-control study.
5. Case-control study assessing arterial stiffness using pulse wave velocity and augmentation index in patients with type 2 diabetes mellitus.
6. Comparative evaluation of cardiovascular reactivity to isometric handgrip test in chronic smokers and age-matched non-smokers: A cross-sectional study.
7. A cross-sectional study investigating gender-based differences in orthostatic tolerance and blood pressure variability among healthy young adults.
8. A prospective observational study on heart rate variability fluctuations across the follicular and luteal phases of the menstrual cycle in healthy females.
9. Interventional study on the effects of high-intensity interval training (HIIT) on resting HRV, baroreflex sensitivity, and BP in sedentary young males.
10. Evaluation of autonomic dysfunction using Valsalva ratio and HRV in patients with chronic kidney disease stages III and IV: A case-control study.

3. Respiratory Physiology

1. A cross-sectional study on pulmonary function parameters in urban traffic police personnel exposed to chronic vehicular air pollution.
2. Effect of a structured yoga breathing program on respiratory muscle strength and lung function in sedentary office workers: An interventional study.
3. Comparative spirometric evaluation in chronic smokers and non-smokers aged 30–50 years: A case-control study.
4. Study of diurnal variation in peak expiratory flow rate among healthy adults across different age groups in a tertiary care setting.
5. An interventional study evaluating the effect of regular pranayama practice on asthma control and quality of life in mild to moderate asthmatics.
6. Pulmonary function test abnormalities in newly diagnosed hypothyroidism patients: A cross-sectional hospital-based study.
7. Cross-sectional study of respiratory parameters in obese adolescents to assess the impact of increased BMI on lung function.
8. Comparative analysis of lung function in users of biomass fuel versus LPG in rural Indian women: A spirometry-based study.
9. Assessment of respiratory muscle strength and endurance in individuals with sedentary and active lifestyles: A comparative cross-sectional study.
10. An interventional study on the impact of inspiratory muscle training on pulmonary function and exercise tolerance in athletes.

4. Renal Physiology

1. Assessment of early renal dysfunction using microalbuminuria and estimated GFR in first-degree relatives of diabetic patients: A cross-sectional study.
2. Correlation of serum uric acid levels with renal function and blood pressure in normotensive adults: A hospital-based cross-sectional study.
3. A study of urinary concentrating ability in patients with chronic analgesic use compared to non-users: A case-control approach.
4. Effect of high-sodium versus low-sodium diet on renal handling of sodium and blood pressure in healthy volunteers: An interventional crossover study.
5. Evaluation of renal tubular function using urine osmolality and specific gravity in febrile children with acute infections.
6. A comparative study of renal function parameters in individuals following different hydration practices: A cross-sectional analysis.
7. Prospective study of changes in renal function markers in pregnant women during different trimesters.
8. Study on correlation of serum creatinine and cystatin-C levels in early detection of renal dysfunction in hypertensives.
9. A case-control study of renal function markers in normotensive versus hypertensive adolescents.
10. Evaluation of estimated glomerular filtration rate (eGFR) variations in regular gym-goers before and after high-protein diets: A prospective study.

5. Endocrine and Metabolic Physiology

1. Study of insulin resistance and heart rate variability in first-degree relatives of patients with type 2 diabetes mellitus: A case-control approach.
2. A cross-sectional study assessing the correlation between waist circumference and serum leptin levels in young adults.
3. Evaluation of thyroid function and resting metabolic rate in underweight and overweight individuals: A comparative study.
4. Comparative analysis of cortisol response to acute stress in individuals with and without central obesity.
5. A prospective study of glucose tolerance and hormonal profile during different phases of the menstrual cycle in healthy women.
6. Study of serum adiponectin levels in relation to body mass index and lipid profile in non-diabetic subjects.
7. A case-control study assessing early metabolic derangements in polycystic ovary syndrome (PCOS) using insulin sensitivity indices.
8. Interventional study on the impact of intermittent fasting on glucose-insulin homeostasis and lipid metabolism in healthy adults.
9. Comparative study on basal metabolic rate and thyroid hormone levels in vegetarians versus non-vegetarians.
10. Evaluation of hormonal and metabolic responses to sleep deprivation in medical residents: A prospective observational study.

6. Environmental and Exercise Physiology

1. Comparative study of cardiovascular and thermal responses to hot and humid environments in manual laborers and office workers.
2. Assessment of physiological adaptation to high-altitude exposure in military trainees: A longitudinal study.
3. Effect of chronic noise exposure on autonomic function and stress levels among factory workers: A cross-sectional study.
4. Interventional study on the impact of moderate aerobic exercise on oxidative stress markers in middle-aged individuals.
5. A prospective study of thermoregulation efficiency in individuals practicing regular cold water immersion.
6. Comparative study of VO₂ max and recovery heart rate in athletes involved in endurance versus strength training.
7. Study of circadian variations in blood pressure and cortisol in night-shift versus day-shift workers: A cross-sectional analysis.
8. Effect of dehydration on cardiovascular and cognitive responses during submaximal exercise: A randomized crossover study.
9. A longitudinal study on seasonal variation in physical performance and respiratory function among outdoor workers.
10. Impact of pre-exercise carbohydrate loading on anaerobic threshold in amateur athletes: An interventional study.

7. Hematology and Immunophysiology

1. Comparative study of hemoglobin and red cell indices in vegetarian and non-vegetarian female medical students.
2. Evaluation of immune response markers (IL-6, TNF-α) in smokers versus non-smokers: A cross-sectional study.
3. A case-control study assessing neutrophil function in patients with recurrent respiratory infections.
4. Interventional study of vitamin D supplementation on immunomodulation and infection rates in healthcare workers.
5. Correlation between lymphocyte subsets and stress-induced cortisol changes in healthy individuals.
6. Assessment of hematological parameters and immune profiles in yoga practitioners versus sedentary controls.
7. Evaluation of platelet function and aggregation in individuals consuming high-sugar diets: A cross-sectional study.
8. Prospective study of hematological changes in females with iron-deficiency anemia following oral iron therapy.
9. Assessment of WBC count variability and immune stress markers in shift workers: A longitudinal study.
10. A study on immune function alterations in patients with chronic sleep deprivation: A hospital-based case-control study.

8. Gastrointestinal and Hepatic Physiology

1. Comparative study of gastric motility using electrogastrography in individuals with and without functional dyspepsia.
2. A prospective study on liver function tests in healthy individuals practicing intermittent fasting for religious or lifestyle reasons.
3. Correlation of bowel habits and serum motilin levels in patients with irritable bowel syndrome: A case-control study.
4. Evaluation of autonomic modulation of gut motility in diabetic versus non-diabetic individuals using HRV and EGG.
5. A study on salivary pH and flow rate in medical students under acute academic stress: A cross-sectional analysis.
6. Comparative analysis of liver enzymes and lipid profile in regular alcohol consumers and abstainers.
7. Assessment of gastrointestinal symptoms and gut-brain axis markers in patients with generalized anxiety disorder: A case-control study.
8. Effect of probiotic supplementation on gastrointestinal symptoms and fecal pH in adults with functional constipation: An interventional study.
9. Study on correlation between perceived stress and gastrointestinal symptoms in students: A psychophysiological analysis.
10. Evaluation of hepatic function markers in regular gym-goers consuming protein supplements: A cross-sectional study.

9. Reproductive Physiology

1. Comparative study on reproductive hormone profile and stress levels in female shift workers versus regular day workers.
2. Assessment of semen parameters and testosterone levels in smokers and non-smokers: A hospital-based case-control study.
3. Effect of long-term mobile phone use on reproductive hormone levels in male students: A cross-sectional analysis.
4. Correlation between menstrual irregularities and serum leptin levels in underweight and overweight adolescent females.
5. A study on testosterone levels and muscle mass in resistance-trained versus sedentary males.
6. Evaluation of oxidative stress markers in women with unexplained infertility: A case-control approach.
7. Study of pubertal growth patterns and hormonal changes in adolescents with early or delayed puberty.
8. An interventional study on the impact of yoga therapy on menstrual regularity and hormone profile in PCOS women.
9. Assessment of reproductive hormonal responses to acute psychological stress in healthy males: A pilot study.
10. Comparative evaluation of ovarian reserve markers in women using hormonal contraceptives and non-users.

10. Recent Studies in Physiology

1. Evaluation of serum irisin levels and their association with physical activity in Indian adults: A cross-sectional study based on recent findings in myokine physiology.
2. Effect of exogenous melatonin on circadian rhythm and cognitive function: A randomized controlled trial in medical students.
3. Assessment of salivary cortisol awakening response as a marker of HPA axis activity in individuals with chronic stress: Based on recent endocrinological insights.
4. Study on microvascular endothelial function using flow-mediated dilatation in prediabetic subjects: Emerging trends in cardiovascular risk stratification.
5. A pilot study on the utility of heart rate turbulence and deceleration capacity in predicting cardiac autonomic dysfunction in diabetics.
6. Comparative analysis of exhaled nitric oxide in asthmatic versus non-asthmatic adolescents: A biomarker-based approach.
7. An exploratory study on gut microbiota composition and its physiological correlation with body weight and diet patterns in Indian adults.
8. Impact of blue light exposure on sleep quality and melatonin secretion: A study based on recent chronobiology research.
9. Assessment of muscle oxygenation during resistance training using near-infrared spectroscopy (NIRS): An emerging physiological tool.
10. A study on the effects of mindfulness-based interventions on inflammatory markers in healthcare professionals: Bridging psychoneuroimmunology and practice.