Related by context. Frequent words. (Click for all words.) 48 reproductive hormones 45 leukocyte 44 urate 43 female hormone estrogen 41 hormone cortisol 40 neurotransmitter serotonin 40 uric acid 40 nitric oxide 40 endothelial progenitor cells 39 leukocytes 39 blood platelets 38 catecholamines 38 hemoglobin 38 bad cholesterol LDL 38 Hemoglobin 37 blood 37 tissue 37 uric acid levels 37 triglycerides 37 clotting 37 spinal fluid 37 blood vessels 36 hypothesized 36 Ph.D. postdoctoral fellow 36 cholesterol 36 cerebrospinal fluid CSF 36 reversibly 36 hemochromatosis 36 hormones 36 fibrinogen 36 bloodstream 35 cerebrospinal fluid 35 density lipoprotein HDL cholesterol 35 thyroxine 35 Cholesterol 35 bloodstreams 35 testosterone 35 glucose 35 liver 34 stress hormone cortisol 34 theorizes 34 researchers hypothesize 34 saliva 34 liver enzyme 34 albumin 34 HDL cholesterol 34 alkaline phosphatase 34 LDL cholesterol 34 platelet 34 homocysteine 33 oxidants 33 pharmaceutically 33 blood lipids 33 hypothesize 33 urine 33 bone marrow 33 sperm 33 theorized 33 serum 33 Urine 33 kidneys 32 aspirate 32 vaginal secretions 32 blood sugar 32 synovial fluid 32 kidneys liver 32 hypothesizes 32 Bone marrow 32 LiveScience 32 nanomachines 32 aortas 31 pancreases 31 platelets 31 marrow 31 mucus 31 hypothesised 31 told BioWorld Today 31 synaptic 31 density lipoprotein cholesterol 31 specific antigen 31 imprinted genes 31 speculates 30 plasma 30 C reactive protein 30 Artificially 30 mucus membranes 30 menstrual blood 30 pulmonary arteries 30 platelet count 30 arterial stiffness 30 saline solution 30 intracranial pressure 30 artificially 30 abnormally 30 researchers hypothesized 30 cholesterol triglycerides 29 kidney function 29 tissue samples 29 postulated 29 Platelet 29 semen