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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
41
2025
695
13.820
Why?
Apolipoprotein E4
17
2025
173
6.800
Why?
Alzheimer Disease
23
2025
1271
5.900
Why?
Aged
81
2025
7300
3.750
Why?
Cognition
30
2024
915
3.710
Why?
Female
87
2025
12734
2.890
Why?
Cognition Disorders
14
2018
681
2.850
Why?
Male
77
2025
12260
2.770
Why?
Chicago
28
2025
788
2.660
Why?
Humans
104
2025
22592
2.600
Why?
Stroke
6
2023
236
2.470
Why?
Aged, 80 and over
40
2025
3657
2.460
Why?
Aging
14
2025
1062
2.440
Why?
Longitudinal Studies
28
2025
1038
2.420
Why?
Cohort Studies
25
2025
1386
2.220
Why?
tau Proteins
5
2025
141
2.090
Why?
Risk Factors
25
2025
1955
1.970
Why?
Biomarkers
10
2025
455
1.870
Why?
Apolipoproteins E
8
2023
141
1.850
Why?
Neurofilament Proteins
3
2025
14
1.820
Why?
Alleles
9
2024
162
1.770
Why?
Activities of Daily Living
9
2018
355
1.650
Why?
Neurodegenerative Diseases
2
2025
90
1.560
Why?
Exercise
9
2023
387
1.540
Why?
Blood Pressure
3
2024
165
1.540
Why?
White Matter
3
2022
86
1.530
Why?
Prospective Studies
15
2025
1476
1.420
Why?
Dementia
9
2024
382
1.390
Why?
Population Surveillance
3
2021
100
1.350
Why?
Vitamin E
2
2023
37
1.200
Why?
Intermediate Filaments
4
2023
18
1.180
Why?
Cardiovascular Diseases
2
2025
281
1.170
Why?
Genotype
7
2024
246
1.170
Why?
Incidence
12
2025
618
1.160
Why?
Disease Progression
11
2019
517
1.110
Why?
Loneliness
2
2025
42
1.070
Why?
Dietary Approaches To Stop Hypertension
2
2024
21
1.070
Why?
Diet, Mediterranean
3
2024
60
1.060
Why?
Mortality
4
2021
68
1.000
Why?
United States
12
2024
1741
0.910
Why?
Lipids
1
2025
45
0.900
Why?
Glial Fibrillary Acidic Protein
2
2025
36
0.900
Why?
Social Isolation
1
2025
19
0.900
Why?
Disability Evaluation
4
2014
218
0.890
Why?
Dietary Fats
1
2024
38
0.850
Why?
Whole Grains
1
2023
4
0.840
Why?
Depression
4
2014
368
0.810
Why?
Neuropathology
3
2021
56
0.800
Why?
Vitamin D
1
2022
27
0.750
Why?
Healthy Lifestyle
5
2024
36
0.740
Why?
Independent Living
5
2025
219
0.740
Why?
Antihypertensive Agents
2
2021
39
0.730
Why?
Membrane Proteins
1
2021
151
0.670
Why?
Follow-Up Studies
11
2024
1403
0.650
Why?
Geriatric Assessment
5
2021
159
0.650
Why?
Neuropsychological Tests
11
2018
847
0.620
Why?
Time Factors
10
2021
1247
0.590
Why?
Diet
4
2023
178
0.570
Why?
Genetic Predisposition to Disease
6
2022
261
0.540
Why?
Art
1
2016
1
0.520
Why?
Mental Status and Dementia Tests
3
2023
41
0.510
Why?
Music
1
2016
19
0.510
Why?
Diabetes Complications
1
2016
43
0.500
Why?
Models, Statistical
2
2021
113
0.500
Why?
Life Style
5
2022
157
0.490
Why?
Prevalence
3
2023
372
0.480
Why?
Obesity
6
2014
288
0.470
Why?
Cognitive Aging
4
2021
55
0.470
Why?
Mobility Limitation
2
2015
73
0.470
Why?
Body Mass Index
6
2018
379
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
145
0.440
Why?
Polymorphism, Single Nucleotide
5
2021
164
0.440
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
56
0.410
Why?
Memory, Episodic
3
2018
72
0.390
Why?
Health Status Disparities
1
2013
58
0.390
Why?
Diagnosis
1
2011
15
0.370
Why?
Medical Informatics
1
2011
8
0.360
Why?
Area Under Curve
1
2011
59
0.360
Why?
Linear Models
3
2016
187
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
432
0.340
Why?
Middle Aged
21
2019
7800
0.310
Why?
Age of Onset
3
2014
71
0.300
Why?
Genetic Loci
3
2018
25
0.290
Why?
Magnetic Resonance Imaging
2
2022
789
0.280
Why?
Memory Disorders
2
2018
104
0.270
Why?
Postmenopause
7
2006
57
0.270
Why?
Hypertension
2
2024
160
0.250
Why?
Triglycerides
2
2025
53
0.240
Why?
Neuroticism
2
2023
21
0.240
Why?
Hypoglycemic Agents
2
2016
35
0.230
Why?
Amyloid beta-Peptides
2
2024
194
0.230
Why?
Cholesterol
1
2025
52
0.230
Why?
Vehicle Emissions
1
2024
5
0.230
Why?
Air Pollutants
1
2024
11
0.220
Why?
Air Pollution
1
2024
14
0.220
Why?
Environmental Exposure
1
2024
18
0.220
Why?
Particulate Matter
1
2024
16
0.220
Why?
Survivors
3
2022
69
0.220
Why?
Heterozygote
1
2025
89
0.220
Why?
Adult
11
2023
6826
0.220
Why?
Sex Factors
2
2022
380
0.210
Why?
Risk Assessment
2
2024
537
0.210
Why?
Florida
1
2023
15
0.210
Why?
Tocopherols
1
2023
8
0.200
Why?
alpha-Tocopherol
1
2023
11
0.200
Why?
Flavonols
1
2022
5
0.200
Why?
Brain
4
2024
1123
0.200
Why?
Regression Analysis
4
2011
215
0.200
Why?
Diet, Vegetarian
1
2022
5
0.200
Why?
Age Factors
2
2022
623
0.190
Why?
Vitamins
1
2022
14
0.190
Why?
Brain Infarction
1
2023
63
0.190
Why?
Dietary Supplements
1
2022
54
0.190
Why?
Cognitive Reserve
1
2022
22
0.190
Why?
Life Expectancy
1
2022
22
0.190
Why?
Stress, Psychological
2
2014
205
0.190
Why?
Renin-Angiotensin System
1
2021
2
0.180
Why?
Blood-Brain Barrier
1
2021
34
0.170
Why?
Cost of Illness
1
2021
42
0.170
Why?
Noise
1
2020
24
0.170
Why?
Early Diagnosis
1
2020
48
0.170
Why?
Neuroimaging
1
2020
88
0.160
Why?
Mental Status Schedule
2
2018
65
0.160
Why?
Cerebral Cortex
1
2020
119
0.160
Why?
Parkinsonian Disorders
1
2022
163
0.160
Why?
Residence Characteristics
1
2020
166
0.160
Why?
Hippocampus
1
2020
182
0.150
Why?
Confidence Intervals
2
2017
75
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
0.150
Why?
Healthy Aging
1
2018
8
0.150
Why?
Odds Ratio
2
2017
217
0.140
Why?
Interviews as Topic
2
2016
105
0.140
Why?
Behavioral Symptoms
1
2018
11
0.140
Why?
Psychotropic Drugs
1
2018
25
0.140
Why?
Socioeconomic Factors
3
2014
244
0.140
Why?
Surveys and Questionnaires
5
2016
1019
0.140
Why?
Nursing Homes
1
2018
41
0.140
Why?
Parkinson Disease
2
2022
586
0.140
Why?
Social Environment
1
2018
65
0.140
Why?
Pain Management
1
2019
125
0.140
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?
Inflammation
1
2018
223
0.130
Why?
Mucormycosis
1
2017
7
0.130
Why?
Frozen Sections
1
2017
13
0.130
Why?
Aspergillosis
1
2017
12
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
111
0.130
Why?
Reproduction
1
2016
9
0.130
Why?
Quantitative Trait Loci
1
2016
25
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
190
0.120
Why?
Overweight
2
2014
65
0.120
Why?
Brief Psychiatric Rating Scale
1
2015
5
0.120
Why?
Self Report
1
2016
192
0.120
Why?
Insulin
2
2014
77
0.120
Why?
Health Status
2
2014
201
0.120
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?
Adipose Tissue
3
2005
72
0.110
Why?
Models, Genetic
1
2015
30
0.110
Why?
Rhinitis
1
2017
135
0.110
Why?
Anxiety Disorders
1
2016
163
0.110
Why?
Educational Measurement
1
2015
53
0.110
Why?
Sinusitis
1
2017
150
0.110
Why?
Hospitalization
2
2014
281
0.110
Why?
Demography
1
2014
53
0.110
Why?
Femoracetabular Impingement
1
2015
86
0.110
Why?
Intelligence Tests
1
2014
13
0.110
Why?
Cats
1
2014
28
0.110
Why?
Hypoglycemia
1
2014
12
0.110
Why?
Models, Psychological
1
2014
58
0.100
Why?
Medicare
1
2014
105
0.100
Why?
Proportional Hazards Models
1
2014
269
0.100
Why?
Colitis, Ulcerative
1
2014
58
0.100
Why?
Intestinal Mucosa
1
2015
155
0.100
Why?
Stress Disorders, Post-Traumatic
1
2016
218
0.100
Why?
Ultrasonography
1
2015
203
0.100
Why?
Mindfulness
1
2014
46
0.100
Why?
Psychiatric Status Rating Scales
1
2014
265
0.100
Why?
Databases, Factual
1
2014
300
0.100
Why?
Diabetes Mellitus
1
2014
101
0.100
Why?
Emergency Medicine
1
2015
93
0.100
Why?
Urban Population
1
2013
124
0.100
Why?
Social Support
1
2014
174
0.100
Why?
Colonoscopy
1
2013
71
0.100
Why?
Adenoma
1
2013
59
0.100
Why?
Multicenter Studies as Topic
1
2011
37
0.090
Why?
Vascular Diseases
1
2011
34
0.090
Why?
Gait
1
2015
379
0.090
Why?
Breast Neoplasms
3
2004
375
0.090
Why?
Colorectal Neoplasms
1
2013
105
0.090
Why?
ROC Curve
1
2011
120
0.090
Why?
Elder Abuse
1
2011
33
0.090
Why?
Prostatic Neoplasms
1
2011
91
0.090
Why?
Frail Elderly
1
2010
37
0.080
Why?
Self Care
1
2010
86
0.080
Why?
Testosterone
3
2004
27
0.080
Why?
Quality of Life
1
2014
557
0.080
Why?
Computer Simulation
1
2010
168
0.080
Why?
Algorithms
1
2010
290
0.070
Why?
Sensitivity and Specificity
3
2017
431
0.070
Why?
Young Adult
3
2018
1607
0.070
Why?
Common Cold
1
2006
5
0.060
Why?
Animals
1
2014
3238
0.060
Why?
C-Reactive Protein
2
2018
92
0.060
Why?
Pilot Projects
2
2019
369
0.060
Why?
Phenotype
2
2016
255
0.060
Why?
Smoking Prevention
1
2005
17
0.060
Why?
Feces
2
2017
79
0.060
Why?
Parent-Child Relations
1
2005
36
0.060
Why?
Observer Variation
2
2015
83
0.060
Why?
Smoking Cessation
1
2005
35
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
89
0.060
Why?
Double-Blind Method
2
2017
371
0.060
Why?
Zinc
1
2024
39
0.060
Why?
Sulfotransferases
1
2004
4
0.060
Why?
Androgens
1
2004
7
0.060
Why?
Glucuronosyltransferase
1
2004
4
0.060
Why?
Psychomotor Performance
2
2018
152
0.050
Why?
Metabolic Syndrome
1
2005
55
0.050
Why?
Estrogens
1
2004
26
0.050
Why?
Parents
1
2005
107
0.050
Why?
Gonadal Steroid Hormones
1
2003
9
0.050
Why?
Cross-Sectional Studies
2
2016
752
0.050
Why?
Quercetin
1
2022
5
0.050
Why?
Kaempferols
1
2022
6
0.050
Why?
Eating
1
2022
45
0.050
Why?
Memory, Short-Term
1
2022
79
0.050
Why?
Leisure Activities
1
2022
11
0.050
Why?
Logistic Models
2
2013
350
0.040
Why?
Diet Surveys
1
2021
23
0.040
Why?
Washington
3
2006
4
0.040
Why?
Atrophy
1
2021
61
0.040
Why?
Tremor
1
2022
93
0.040
Why?
Autopsy
1
2021
249
0.040
Why?
Memory
2
2011
206
0.040
Why?
Alcohol Drinking
1
2020
66
0.040
Why?
Child
2
2018
1148
0.040
Why?
Smoking
2
2015
161
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
45
0.040
Why?
Neurotic Disorders
1
2018
14
0.040
Why?
Adolescent
2
2018
1855
0.040
Why?
Threonine
1
2018
8
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?
Community Health Planning
1
2018
11
0.040
Why?
Alanine
1
2018
11
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
86
0.030
Why?
Fermentation
1
2017
13
0.030
Why?
Constipation
1
2017
16
0.030
Why?
Chronic Pain
1
2019
124
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
9
0.030
Why?
Gastrointestinal Tract
1
2017
41
0.030
Why?
Maternal Age
1
2016
12
0.030
Why?
Case-Control Studies
1
2018
477
0.030
Why?
Oncogene Protein v-akt
1
2016
8
0.030
Why?
Immunocompromised Host
1
2017
41
0.030
Why?
Fertility
1
2016
17
0.030
Why?
Russia
1
2016
4
0.030
Why?
Jews
1
2016
4
0.030
Why?
Nose
1
2017
31
0.030
Why?
Israel
1
2016
11
0.030
Why?
Emigration and Immigration
1
2016
13
0.030
Why?
Arabs
1
2016
8
0.030
Why?
Sleep
1
2019
267
0.030
Why?
Acute Disease
1
2017
161
0.030
Why?
Phosphatidylinositol 3-Kinases
1
2016
43
0.030
Why?
Circadian Rhythm
1
2019
212
0.030
Why?
Pregnancy
1
2016
308
0.030
Why?
Retrospective Studies
2
2014
2954
0.030
Why?
Endoscopy
1
2017
165
0.030
Why?
Gastrointestinal Microbiome
1
2017
118
0.030
Why?
Ankle
1
2015
19
0.030
Why?
Gallbladder
1
2015
3
0.030
Why?
Anatomic Landmarks
1
2015
5
0.030
Why?
Hip
1
2015
28
0.030
Why?
Decision Making
1
2017
174
0.030
Why?
Knee
1
2015
38
0.030
Why?
Chromosomes, Human
1
2015
6
0.030
Why?
Kidney Function Tests
1
2015
13
0.030
Why?
Meta-Analysis as Topic
1
2015
22
0.030
Why?
Healthy Volunteers
1
2015
28
0.030
Why?
Intestinal Absorption
1
2015
30
0.030
Why?
Permeability
1
2015
94
0.030
Why?
Kinetics
1
2015
175
0.030
Why?
China
1
2014
45
0.030
Why?
Leukocyte L1 Antigen Complex
1
2014
5
0.030
Why?
Sex Characteristics
1
2015
85
0.030
Why?
Body Weight
2
2004
129
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
33
0.030
Why?
Sex Hormone-Binding Globulin
2
2004
16
0.030
Why?
Radiography
1
2015
522
0.030
Why?
Estradiol
2
2004
51
0.030
Why?
Disease-Free Survival
1
2014
168
0.030
Why?
Acute Kidney Injury
1
2014
34
0.030
Why?
Biomechanical Phenomena
1
2015
514
0.030
Why?
Patient Compliance
2
2005
142
0.030
Why?
Attention
1
2014
101
0.030
Why?
Chi-Square Distribution
1
2013
122
0.020
Why?
Critical Illness
1
2014
98
0.020
Why?
Range of Motion, Articular
1
2015
562
0.020
Why?
Early Detection of Cancer
1
2013
94
0.020
Why?
Medical Record Linkage
1
2011
1
0.020
Why?
Intensive Care Units
1
2014
231
0.020
Why?
Length of Stay
1
2014
293
0.020
Why?
Risk
1
2011
158
0.020
Why?
Perception
1
2011
64
0.020
Why?
Trail Making Test
1
2010
4
0.020
Why?
Wechsler Scales
1
2010
11
0.020
Why?
Cross Infection
1
2014
295
0.020
Why?
Epidemiologic Research Design
1
2010
12
0.020
Why?
Psychometrics
1
2010
175
0.020
Why?
Caregivers
1
2011
185
0.020
Why?
Severity of Illness Index
1
2010
800
0.020
Why?
Influenza Vaccines
1
2006
9
0.020
Why?
Respiratory Tract Infections
1
2006
23
0.020
Why?
Health Education
1
2005
38
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
65
0.010
Why?
Insulin Resistance
1
2005
47
0.010
Why?
Body Composition
1
2005
64
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
28
0.010
Why?
Absorptiometry, Photon
1
2003
79
0.010
Why?
Neoplasm Staging
1
2003
344
0.010
Why?
Tomography, X-Ray Computed
1
2004
574
0.010
Why?
Rajan's Networks
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