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Kumar Rajan

Concepts (378)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Cognitive Dysfunction
42
2025
737
13.990
Why?
Apolipoprotein E4
17
2025
172
6.740
Why?
Alzheimer Disease
23
2025
1319
5.770
Why?
Aged
82
2025
7412
3.800
Why?
Cognition
30
2024
947
3.660
Why?
Female
88
2025
12904
2.940
Why?
tau Proteins
6
2025
145
2.890
Why?
Cognition Disorders
14
2018
691
2.820
Why?
Male
78
2025
12400
2.820
Why?
Chicago
29
2025
811
2.820
Why?
Neurofilament Proteins
4
2025
16
2.670
Why?
Humans
105
2025
22823
2.630
Why?
Aged, 80 and over
41
2025
3717
2.560
Why?
Stroke
6
2023
241
2.440
Why?
Aging
14
2025
1100
2.410
Why?
Longitudinal Studies
28
2025
1047
2.390
Why?
Neurodegenerative Diseases
3
2025
95
2.350
Why?
Cohort Studies
25
2025
1412
2.190
Why?
Biomarkers
11
2025
477
2.030
Why?
Risk Factors
25
2025
1966
1.950
Why?
Apolipoproteins E
8
2023
142
1.830
Why?
Glial Fibrillary Acidic Protein
3
2025
38
1.770
Why?
Alleles
9
2024
164
1.750
Why?
Activities of Daily Living
9
2018
356
1.640
Why?
Exercise
9
2023
392
1.530
Why?
Blood Pressure
3
2024
166
1.530
Why?
White Matter
3
2022
107
1.480
Why?
Prospective Studies
15
2025
1487
1.400
Why?
Dementia
9
2024
388
1.370
Why?
Population Surveillance
3
2021
102
1.340
Why?
Vitamin E
2
2023
37
1.190
Why?
Intermediate Filaments
4
2023
19
1.170
Why?
Genotype
7
2024
246
1.150
Why?
Cardiovascular Diseases
2
2025
290
1.150
Why?
Incidence
12
2025
624
1.150
Why?
Disease Progression
11
2019
521
1.100
Why?
Memory Disorders
3
2024
108
1.100
Why?
Loneliness
2
2025
42
1.060
Why?
Dietary Approaches To Stop Hypertension
2
2024
23
1.060
Why?
Diet, Mediterranean
3
2024
63
1.040
Why?
Mortality
4
2021
73
0.990
Why?
United States
12
2024
1762
0.900
Why?
Lipids
1
2025
44
0.900
Why?
Social Isolation
1
2025
19
0.890
Why?
Disability Evaluation
4
2014
218
0.880
Why?
Dietary Fats
1
2024
37
0.840
Why?
Whole Grains
1
2023
4
0.840
Why?
Depression
4
2014
368
0.800
Why?
Neuropathology
3
2021
59
0.790
Why?
Vitamin D
1
2022
27
0.750
Why?
Healthy Lifestyle
5
2024
36
0.740
Why?
Independent Living
5
2025
225
0.730
Why?
Antihypertensive Agents
2
2021
40
0.720
Why?
Membrane Proteins
1
2021
146
0.660
Why?
Follow-Up Studies
11
2024
1412
0.650
Why?
Geriatric Assessment
5
2021
158
0.650
Why?
Neuropsychological Tests
11
2018
865
0.620
Why?
Time Factors
10
2021
1258
0.580
Why?
Diet
4
2023
178
0.570
Why?
Genetic Predisposition to Disease
6
2022
258
0.540
Why?
Art
1
2016
1
0.520
Why?
Mental Status and Dementia Tests
3
2023
42
0.510
Why?
Music
1
2016
19
0.510
Why?
Diabetes Complications
1
2016
44
0.500
Why?
Models, Statistical
2
2021
112
0.490
Why?
Life Style
5
2022
159
0.490
Why?
Prevalence
3
2023
375
0.480
Why?
Obesity
6
2014
287
0.470
Why?
Cognitive Aging
4
2021
56
0.460
Why?
Body Mass Index
6
2018
377
0.460
Why?
Mobility Limitation
2
2015
73
0.460
Why?
Depressive Disorder
1
2015
163
0.440
Why?
Diabetes Mellitus, Type 2
1
2016
147
0.440
Why?
Genome-Wide Association Study
5
2022
152
0.430
Why?
Polymorphism, Single Nucleotide
5
2021
168
0.430
Why?
Gene-Environment Interaction
1
2014
12
0.430
Why?
Memantine
1
2014
7
0.420
Why?
Dopamine Agents
1
2014
11
0.420
Why?
Motor Activity
2
2015
267
0.420
Why?
Antioxidants
1
2014
54
0.410
Why?
Memory, Episodic
3
2018
74
0.390
Why?
Health Status Disparities
1
2013
63
0.380
Why?
Diagnosis
1
2011
16
0.370
Why?
Medical Informatics
1
2011
8
0.360
Why?
Area Under Curve
1
2011
59
0.360
Why?
Linear Models
3
2016
193
0.350
Why?
Disabled Persons
1
2012
86
0.340
Why?
Refusal to Participate
1
2010
2
0.340
Why?
Predictive Value of Tests
3
2021
438
0.330
Why?
Middle Aged
21
2019
7873
0.310
Why?
Age of Onset
3
2014
71
0.290
Why?
Genetic Loci
3
2018
27
0.290
Why?
Magnetic Resonance Imaging
2
2022
858
0.270
Why?
Postmenopause
7
2006
57
0.270
Why?
Hypertension
2
2024
163
0.240
Why?
Triglycerides
2
2025
54
0.240
Why?
Neuroticism
2
2023
21
0.240
Why?
Hypoglycemic Agents
2
2016
35
0.230
Why?
Amyloid beta-Peptides
2
2024
198
0.220
Why?
Vehicle Emissions
1
2024
5
0.220
Why?
Cholesterol
1
2025
57
0.220
Why?
Air Pollutants
1
2024
10
0.220
Why?
Air Pollution
1
2024
13
0.220
Why?
Environmental Exposure
1
2024
17
0.220
Why?
Particulate Matter
1
2024
15
0.220
Why?
Survivors
3
2022
69
0.220
Why?
Heterozygote
1
2025
88
0.220
Why?
Adult
11
2023
6896
0.220
Why?
Sex Factors
2
2022
384
0.210
Why?
Risk Assessment
2
2024
546
0.210
Why?
Florida
1
2023
15
0.200
Why?
Tocopherols
1
2023
8
0.200
Why?
alpha-Tocopherol
1
2023
11
0.200
Why?
Flavonols
1
2022
5
0.200
Why?
Regression Analysis
4
2011
216
0.190
Why?
Diet, Vegetarian
1
2022
5
0.190
Why?
Age Factors
2
2022
633
0.190
Why?
Vitamins
1
2022
14
0.190
Why?
Brain
4
2024
1202
0.190
Why?
Brain Infarction
1
2023
63
0.190
Why?
Dietary Supplements
1
2022
53
0.190
Why?
Cognitive Reserve
1
2022
22
0.190
Why?
Life Expectancy
1
2022
21
0.190
Why?
Stress, Psychological
2
2014
206
0.180
Why?
Renin-Angiotensin System
1
2021
2
0.180
Why?
Blood-Brain Barrier
1
2021
34
0.170
Why?
Cost of Illness
1
2021
43
0.170
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
50
0.170
Why?
Mental Status Schedule
2
2018
66
0.160
Why?
Neuroimaging
1
2020
100
0.160
Why?
Cerebral Cortex
1
2020
125
0.160
Why?
Parkinsonian Disorders
1
2022
164
0.160
Why?
Residence Characteristics
1
2020
171
0.150
Why?
Confidence Intervals
2
2017
74
0.150
Why?
Hippocampus
1
2020
197
0.150
Why?
Phototherapy
1
2019
27
0.150
Why?
Metabolic Networks and Pathways
1
2018
8
0.150
Why?
Social Networking
1
2018
9
0.140
Why?
Healthy Aging
1
2018
8
0.140
Why?
Odds Ratio
2
2017
217
0.140
Why?
Interviews as Topic
2
2016
109
0.140
Why?
Behavioral Symptoms
1
2018
11
0.140
Why?
Psychotropic Drugs
1
2018
25
0.140
Why?
Surveys and Questionnaires
5
2016
1019
0.140
Why?
Socioeconomic Factors
3
2014
255
0.140
Why?
Nursing Homes
1
2018
41
0.140
Why?
Parkinson Disease
2
2022
591
0.140
Why?
Social Environment
1
2018
66
0.140
Why?
Pain Management
1
2019
126
0.130
Why?
Genetic Association Studies
1
2017
56
0.130
Why?
Defecation
1
2017
5
0.130
Why?
Starch
1
2017
9
0.130
Why?
Low Back Pain
1
2019
128
0.130
Why?
Microspheres
1
2017
24
0.130
Why?
Dietary Fiber
1
2017
25
0.130
Why?
Prebiotics
1
2017
18
0.130
Why?
Invasive Fungal Infections
1
2017
4
0.130
Why?
Mucormycosis
1
2017
7
0.130
Why?
Aspergillosis
1
2017
10
0.130
Why?
Frozen Sections
1
2017
13
0.130
Why?
Inflammation
1
2018
226
0.130
Why?
Birth Order
1
2016
1
0.130
Why?
Parity
1
2016
2
0.130
Why?
Reproductive Behavior
1
2016
2
0.130
Why?
Iodide Peroxidase
1
2018
112
0.130
Why?
Reproduction
1
2016
9
0.130
Why?
Quantitative Trait Loci
1
2016
26
0.130
Why?
Warfare
1
2016
12
0.130
Why?
Terrorism
1
2016
9
0.130
Why?
Interview, Psychological
2
2014
39
0.130
Why?
Reading
1
2016
23
0.120
Why?
Clinical Competence
2
2015
189
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
5
0.120
Why?
Overweight
2
2014
66
0.120
Why?
Self Report
1
2016
194
0.120
Why?
Insulin
2
2014
77
0.110
Why?
Rhinitis
1
2017
124
0.110
Why?
Health Status
2
2014
200
0.110
Why?
Blood Glucose
2
2014
99
0.110
Why?
Carbohydrate Metabolism
1
2015
4
0.110
Why?
Carbohydrates
1
2015
5
0.110
Why?
Chromatography, Gas
1
2015
10
0.110
Why?
Urinalysis
1
2015
7
0.110
Why?
Models, Genetic
1
2015
31
0.110
Why?
Adipose Tissue
3
2005
73
0.110
Why?
Anxiety Disorders
1
2016
163
0.110
Why?
Sinusitis
1
2017
138
0.110
Why?
Educational Measurement
1
2015
53
0.110
Why?
Demography
1
2014
56
0.110
Why?
Hospitalization
2
2014
285
0.110
Why?
Femoracetabular Impingement
1
2015
84
0.110
Why?
Intelligence Tests
1
2014
13
0.110
Why?
Cats
1
2014
28
0.100
Why?
Hypoglycemia
1
2014
12
0.100
Why?
Models, Psychological
1
2014
58
0.100
Why?
Medicare
1
2014
106
0.100
Why?
Proportional Hazards Models
1
2014
270
0.100
Why?
Colitis, Ulcerative
1
2014
57
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
219
0.100
Why?
Ultrasonography
1
2015
203
0.100
Why?
Intestinal Mucosa
1
2015
157
0.100
Why?
Mindfulness
1
2014
46
0.100
Why?
Psychiatric Status Rating Scales
1
2014
267
0.100
Why?
Databases, Factual
1
2014
307
0.100
Why?
Diabetes Mellitus
1
2014
103
0.100
Why?
Emergency Medicine
1
2015
93
0.100
Why?
Urban Population
1
2013
127
0.100
Why?
Social Support
1
2014
174
0.100
Why?
Colonoscopy
1
2013
70
0.100
Why?
Adenoma
1
2013
57
0.090
Why?
Multicenter Studies as Topic
1
2011
40
0.090
Why?
Vascular Diseases
1
2011
34
0.090
Why?
Gait
1
2015
381
0.090
Why?
Colorectal Neoplasms
1
2013
105
0.090
Why?
ROC Curve
1
2011
121
0.090
Why?
Breast Neoplasms
3
2004
390
0.090
Why?
Elder Abuse
1
2011
33
0.090
Why?
Prostatic Neoplasms
1
2011
86
0.080
Why?
Frail Elderly
1
2010
37
0.080
Why?
Self Care
1
2010
85
0.080
Why?
Testosterone
3
2004
27
0.080
Why?
Quality of Life
1
2014
559
0.080
Why?
Computer Simulation
1
2010
152
0.080
Why?
Algorithms
1
2010
295
0.070
Why?
Sensitivity and Specificity
3
2017
439
0.070
Why?
Young Adult
3
2018
1647
0.070
Why?
Common Cold
1
2006
5
0.060
Why?
Animals
1
2014
3255
0.060
Why?
C-Reactive Protein
2
2018
92
0.060
Why?
Pilot Projects
2
2019
370
0.060
Why?
Phenotype
2
2016
255
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Feces
2
2017
80
0.060
Why?
Parent-Child Relations
1
2005
36
0.060
Why?
Observer Variation
2
2015
82
0.060
Why?
Smoking Cessation
1
2005
37
0.060
Why?
Nitrogen Dioxide
1
2024
4
0.060
Why?
Nitrogen Oxides
1
2024
4
0.060
Why?
Peptide Hormones
1
2004
3
0.060
Why?
Copper
1
2024
14
0.060
Why?
Diet, Reducing
1
2004
12
0.060
Why?
Attitude to Health
1
2005
90
0.060
Why?
Double-Blind Method
2
2017
373
0.060
Why?
Zinc
1
2024
38
0.060
Why?
Glucuronosyltransferase
1
2004
3
0.050
Why?
Sulfotransferases
1
2004
4
0.050
Why?
Androgens
1
2004
7
0.050
Why?
Psychomotor Performance
2
2018
155
0.050
Why?
Metabolic Syndrome
1
2005
55
0.050
Why?
Estrogens
1
2004
26
0.050
Why?
Parents
1
2005
106
0.050
Why?
Gonadal Steroid Hormones
1
2003
9
0.050
Why?
Cross-Sectional Studies
2
2016
759
0.050
Why?
Quercetin
1
2022
5
0.050
Why?
Kaempferols
1
2022
6
0.050
Why?
Eating
1
2022
46
0.050
Why?
Memory, Short-Term
1
2022
79
0.050
Why?
Leisure Activities
1
2022
12
0.050
Why?
Logistic Models
2
2013
350
0.040
Why?
Diet Surveys
1
2021
22
0.040
Why?
Washington
3
2006
4
0.040
Why?
Atrophy
1
2021
68
0.040
Why?
Tremor
1
2022
93
0.040
Why?
Autopsy
1
2021
256
0.040
Why?
Memory
2
2011
213
0.040
Why?
Alcohol Drinking
1
2020
65
0.040
Why?
Smoking
2
2015
158
0.040
Why?
Child
2
2018
1153
0.040
Why?
Pain Threshold
1
2019
25
0.040
Why?
Mendelian Randomization Analysis
1
2018
5
0.040
Why?
Military Personnel
1
2019
37
0.040
Why?
Schizophrenia
1
2018
46
0.040
Why?
Neurotic Disorders
1
2018
14
0.040
Why?
Threonine
1
2018
8
0.040
Why?
Adolescent
2
2018
1874
0.040
Why?
Amino Acid Substitution
1
2018
20
0.040
Why?
Awareness
1
2018
37
0.040
Why?
Gene Frequency
1
2018
41
0.040
Why?
Alanine
1
2018
12
0.040
Why?
Community Health Planning
1
2018
13
0.040
Why?
Bipolar Disorder
1
2018
99
0.040
Why?
Educational Status
1
2018
209
0.030
Why?
Liver
1
2018
136
0.030
Why?
Veterans
1
2019
87
0.030
Why?
Fermentation
1
2017
13
0.030
Why?
Constipation
1
2017
16
0.030
Why?
Chronic Pain
1
2019
126
0.030
Why?
Fatty Acids, Volatile
1
2017
26
0.030
Why?
Mucor
1
2017
4
0.030
Why?
Aspergillus
1
2017
6
0.030
Why?
Nasal Surgical Procedures
1
2017
8
0.030
Why?
Gastrointestinal Tract
1
2017
41
0.030
Why?
Maternal Age
1
2016
13
0.030
Why?
Case-Control Studies
1
2018
481
0.030
Why?
Immunocompromised Host
1
2017
41
0.030
Why?
Oncogene Protein v-akt
1
2016
8
0.030
Why?
Fertility
1
2016
17
0.030
Why?
Nose
1
2017
30
0.030
Why?
Russia
1
2016
4
0.030
Why?
Jews
1
2016
4
0.030
Why?
Israel
1
2016
11
0.030
Why?
Sleep
1
2019
267
0.030
Why?
Emigration and Immigration
1
2016
13
0.030
Why?
Arabs
1
2016
8
0.030
Why?
Acute Disease
1
2017
162
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
44
0.030
Why?
Circadian Rhythm
1
2019
213
0.030
Why?
Retrospective Studies
2
2014
2976
0.030
Why?
Pregnancy
1
2016
324
0.030
Why?
Endoscopy
1
2017
157
0.030
Why?
Ankle
1
2015
18
0.030
Why?
Gastrointestinal Microbiome
1
2017
124
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Hip
1
2015
27
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Decision Making
1
2017
174
0.030
Why?
Knee
1
2015
37
0.030
Why?
Chromosomes, Human
1
2015
4
0.030
Why?
Kidney Function Tests
1
2015
13
0.030
Why?
Meta-Analysis as Topic
1
2015
23
0.030
Why?
Healthy Volunteers
1
2015
29
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Permeability
1
2015
90
0.030
Why?
Kinetics
1
2015
170
0.030
Why?
China
1
2014
45
0.030
Why?
Sex Characteristics
1
2015
85
0.030
Why?
Body Weight
2
2004
129
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
6
0.030
Why?
Interleukins
1
2014
21
0.030
Why?
Point-of-Care Systems
1
2015
58
0.030
Why?
Estrone
2
2004
8
0.030
Why?
Hydrocortisone
1
2014
28
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Radiography
1
2015
523
0.030
Why?
Estradiol
2
2004
52
0.030
Why?
Disease-Free Survival
1
2014
161
0.030
Why?
Acute Kidney Injury
1
2014
33
0.030
Why?
Biomechanical Phenomena
1
2015
537
0.030
Why?
Patient Compliance
2
2005
145
0.030
Why?
Attention
1
2014
101
0.020
Why?
Chi-Square Distribution
1
2013
123
0.020
Why?
Critical Illness
1
2014
97
0.020
Why?
Range of Motion, Articular
1
2015
564
0.020
Why?
Early Detection of Cancer
1
2013
96
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Intensive Care Units
1
2014
234
0.020
Why?
Length of Stay
1
2014
298
0.020
Why?
Perception
1
2011
63
0.020
Why?
Risk
1
2011
160
0.020
Why?
Trail Making Test
1
2010
4
0.020
Why?
Cross Infection
1
2014
295
0.020
Why?
Wechsler Scales
1
2010
11
0.020
Why?
Epidemiologic Research Design
1
2010
13
0.020
Why?
Psychometrics
1
2010
175
0.020
Why?
Caregivers
1
2011
185
0.020
Why?
Severity of Illness Index
1
2010
795
0.020
Why?
Influenza Vaccines
1
2006
9
0.020
Why?
Respiratory Tract Infections
1
2006
23
0.020
Why?
Health Education
1
2005
40
0.010
Why?
Leptin
1
2005
18
0.010
Why?
Ghrelin
1
2004
2
0.010
Why?
Body Size
1
2004
6
0.010
Why?
Homeostasis
1
2005
64
0.010
Why?
Insulin Resistance
1
2005
48
0.010
Why?
Body Composition
1
2005
66
0.010
Why?
Arylsulfotransferase
1
2004
1
0.010
Why?
Radioimmunoassay
1
2004
19
0.010
Why?
Energy Intake
1
2004
77
0.010
Why?
Receptors, Progesterone
1
2004
26
0.010
Why?
Polymorphism, Genetic
1
2004
47
0.010
Why?
Receptors, Estrogen
1
2004
62
0.010
Why?
New Mexico
1
2003
3
0.010
Why?
Dehydroepiandrosterone Sulfate
1
2003
5
0.010
Why?
Anthropometry
1
2003
29
0.010
Why?
Absorptiometry, Photon
1
2003
86
0.010
Why?
Neoplasm Staging
1
2003
350
0.010
Why?
Tomography, X-Ray Computed
1
2004
572
0.010
Why?
Rajan's Networks
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