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(Click for frequent words.) 72 hormone 65 Hormonal 64 Estrogen 62 hormones 62 Hormones 62 Androgen 59 Cortisol 59 Growth Hormone 59 Glucocorticoid 59 Testosterone 59 hormonal 59 Oestrogen 59 thyroid hormone 58 progesterone 58 Hormone Replacement 58 Growth Hormones 58 Prolactin 58 estrogen 57 Progesterone 57 Male Fertility 57 Sexual Desire 57 thyroid hormones 57 Colorectal Cancer Risk 56 Hormone Therapy 56 Premature Aging 56 female hormones estrogen 56 Calcium Vitamin D 56 Black Cohosh 56 Leptin 56 Effective Treatments 56 Gonadotropin 55 Breast Cancer Metastasis 55 Adrenal 55 Thyroid Hormone 55 Insulin Sensitivity 55 Cholesterol Levels 55 Cholesterol 55 Melatonin 55 3 Fatty Acids 55 Lung Cancer Risk 55 triiodothyronine 55 prolactin hormone 55 Ovulation 55 Anti depressant 55 Adiponectin 55 Excretion 54 Bio Identical Hormone Replacement 54 Calcium Supplements 54 Iron Deficiency 54 Estradiol 54 Beta Carotene 54 Chromium Picolinate 54 Menopausal 54 Lower Blood Pressure 54 Insulin Levels 54 Ghrelin 54 cortisol 54 Prevent Breast Cancer 54 Serotonin 54 dietary choline 54 Bioidentical Hormones 54 Antibiotic 54 progesterone hormone 54 Prevent Prostate Cancer 54 Cholesterol Lowering 54 Brain Cells 54 Fatty Acids 54 Progestin 54 Antidepressants 54 follicle stimulating hormone FSH 54 hormone progesterone 54 Pancreatic Cancer Risk 54 Psychiatric Drugs 54 Hormone Levels 54 Testosterone Levels 54 Ovarian Cancer Risk 54 Homocysteine 54 gonadotropin 54 follicle stimulating hormone 54 Binge Eating 53 gonadotrophin 53 Inflammatory Markers 53 norepinephrine dopamine 53 Hypothyroidism 53 Stress Hormone 53 Norepinephrine 53 adiponectin hormone 53 Belly Fat 53 hormone prolactin 53 Low carb diet 53 Epilepsy Drugs 53 Glucagon 53 Thyroid Function 53 PGI2 53 Oxytocin 53 prolactin 53 Vasopressin 53 androgen hormone 53 Brain Function 53 Levels Linked 53 suppresses appetite 53 Menopausal Women 53 Diet Pills 53 Menstrual 53 Herbal Supplements 53 Menopausal Symptoms 53 Nitric Oxide 53 Angiotensin II 53 Testosterone Patch 53 Enlarged Prostate 53 reproductive hormones 53 Kidney Function 53 female hormone estrogen 53 Vitamin B# 53 Antiaging 53 sex hormones estrogen 53 Breast Cancer Recurrence 53 Potency 53 Amino Acid 53 Antacids 53 Protein Involved 53 adrenal function 53 hormonal imbalances 53 naturally occurring hormone 53 adrenocorticotropic hormone 52 testosterone 52 Protein 52 Dietary Fat 52 LDL Cholesterol 52 Hyperkalemia 52 serotonin 52 Menopause Symptoms 52 Skeletal Muscle 52 Genistein 52 Chondroitin Sulfate 52 Birth Defect Risk 52 Low Testosterone 52 Beta Blocker 52 Breast Cancer Cells 52 Excessive Sweating 52 allopregnanolone 52 Blood Clot Risk 52 neuropeptide Y NPY 52 Histamine 52 Gene Mutation 52 Hormonal Contraceptives 52 Uric Acid 52 Hematopoietic 52 Biotin 52 Female Sexual Dysfunction 52 amino acid homocysteine 52 Anti Depressant 52 Weight Loss Pills 52 Genetic Variation 52 Stomach Cancer 52 Transdermal Delivery 52 Sebum 52 Female Sexual Arousal 52 ACER paper 52 Male Contraceptive 52 Menstrual Cycle 52 Salivary 52 Pain Meds 52 hormone estrogen 52 estradiol 52 Salicylate 52 Muscle Function 52 Calcium Intake 52 Blood Vessels 52 Anticancer 52 Herbal Supplement 52 Blood Pressure Drug 52 Vitamin D Deficiency 52 Obesity Linked 52 Brain Shrinkage 52 Fracture Risk 52 Mental Decline 52 Androgenic 52 Anxiety Depression 52 Breast Cancer Risk 52 leptin 52 Vitamin D Levels 52 Acid Reflux 52 Tryptophan 52 Libido 52 Genetic Variant 51 Potentially Harmful 51 Baldness 51 Immune Cells 51 prostaglandin E2 PGE2 51 Study Casts Doubt 51 Treating Chronic 51 Thyroxine 51 Epilepsy Drug 51 Bone Density 51 hormone cortisol 51 Thyroid Disease 51 somatotropin 51 Blood Thinner 51 glucocorticoid 51 Moderate Drinking 51 thyroid stimulating hormone 51 Brain Plasticity 51 Glucose Metabolism 51 Cannabinoid 51 Glutamine 51 Vitamin Supplement 51 Nicotinamide 51 Muscle Wasting 51 Quercetin 51 Insulin Resistance 51 Vitamin Supplements 51 Antipsychotic Drug 51 hormones estrogen 51 Hormone Replacement Therapy 51 oestrogens 51 Killer Cells 51 DMAE 51 Prostate Cancer Risk 51 Erectile Dysfunction Drug 51 Autoimmune Disease 51 Estrogen Therapy 51 Bottle Feeding 51 Metabolites 51 Acamprosate 51 Beneficial Effects 51 hormone IGF 51 Neural Stem Cells 51 Statin Drugs 51 Liver Damage 51 sFlt 1 51 Drug Combo 51 Thyroid hormone 51 Peptide YY 51 Endothelial Function 51 orexin 51 Carotenoid 51 melatonin hormone 51 Alternative Treatments 51 FDA Warns Against 51 Stretch Marks 51 Blood Pressure Drugs 51 Antidepressant Use 51 Kidney Stones 51 Chronic Cough 51 Low Doses 51 synthetic hormones 51 Premature Births 51 Gene Linked 51 Estrogens 51 Melasma 51 soy isoflavone 51 alpha amylase 51 hormone angiotensin II 51 Preterm Labor 51 catecholamine 51 hormone serotonin 51 Virility 51 Epileptic Seizures 51 Herpes Virus 51 Cognitive Deficits 51 Arginine 51 hypothalamic pituitary adrenal axis 51 Hyperactivity 51 Pituitary 51 Dementia Risk 51 Lowers Blood Pressure 51 Postmenopausal 51 Dyslipidemia 51 androgen hormones 51 cuddle hormone 51 CoQ# 51 neurotransmitter serotonin 51 Stress Incontinence 51 DHEAS 51 NQO1 51 UCP2 51 Beta Blockers 51 Genetic Basis 50 Circadian Rhythm 50 Migraine Headache 50 male hormone androgen 50 Yeast Infections 50 Lowers Cholesterol 50 vitamin B5 50 Genetic Variations 50 Antidepressant 50 Sedatives 50 Suicidal Behavior 50 Cigarette Smoke 50 Anti Inflammatory 50 prostaglandin 50 aldosterone 50 pituitary hormones 50 Fibromyalgia Pain 50 Milk Thistle 50 Irritable Bowel 50 androgens 50 suppress ovulation 50 palmitoleate 50 Motility 50 Vardenafil 50 ovarian hormones 50 Botulinum 50 phytoestrogen 50 oestrogenic 50 Antidepressants Linked 50 Vitamin Deficiency 50 Clinically Tested 50 Migraine Headaches 50 carcinoids originate 50 adrenal hormones 50 Nicotine 50 Cholesterol Drugs 50 adrenal hormone 50 Rare Genetic 50 estrogen hormone 50 Acne Drug 50 steroid hormones 50 Bacterial Vaginosis 50 Male Infertility 50 Fibrinogen 50 hCG human chorionic 50 Coenzyme Q# 50 Serums 50 Immunologic 50 Neurogenesis 50 Myopathy 50 Fat Cells 50 Antibiotic Use 50 Preterm Delivery 50 Idebenone 50 Drug Prevents 50 Lower Cholesterol 50 Brain Tissue 50 Septic Shock 50 Tart Cherries 50 Brain Wiring 50 HDL Cholesterol 50 Rabies Vaccine 50 glutamine 50 Cardiovascular Disease Risk 50 Aggressive Prostate Cancer 50 Phosphatase 50 C Reactive Protein 50 Reduces Pain 50 hormones leptin 50 Folate 50 Allogeneic 50 Nail Fungus 50 monoamines 50 Oncogenic 50 L arginine 50 DHEA 50 Dose Response 50 Certain Cancers 50 Uterine Fibroid 50 Corticosteroids 50 Aldosterone 50 Cholesterol Linked 50 Artery Disease 50 Genetic Mutation 50 Vitamin E 50 Glutamic Acid 50 Glucosamine Chondroitin 50 hormone DHEA 50 Pharmacologic 50 Naltrexone 50 Genes Influence 50 androgen 50 Gum Disease 50 Oxidative 50 Cancer Causing 50 Chemoprevention 50 Contraceptive 50 neurotransmitters serotonin 50 conjugated linoleic acid 50 Glucocorticoids 50 peptide YY 50 synthetic hormone 50 phyto oestrogens 50 Prostaglandins 50 Anemia Drug 50 Metabolic Disease 50 gamma aminobutyric acid GABA 50 gonadotropins 50 hormone secreted 50 Heavy Menstrual Bleeding 50 Hyaluronic Acid 50 Combo Therapy 50 DHEA supplement 50 Modulating 50 Soy Protein 50 Cholesterol Drug 50 Soy Isoflavones 50 Lowers Risk 50 VigRX Plus 50 Metabolism 50 sex hormone estrogen 50 Lowering Cholesterol 50 Co enzyme Q# 50 polycystic ovarian syndrome PCOS 50 HPA axis 50 Antipsychotic 50 Peanut Allergy 50 monoamine neurotransmitters 50 Bad Cholesterol 50 ceramides 50 Gingko Biloba 50 Therapeutic Potential 50 luteinizing hormone 49 Phosphorylation 49 Yohimbine 49 PI3K signaling 49 Androgens 49 Calcium 49 Saw Palmetto 49 Dehydrogenase 49 Fatty Acid 49 synthetic progesterone 49 dehydroepiandrosterone 49 Short Stature 49 Miscarriage Risk 49 ADHD Medication 49 Male Pattern Baldness 49 Gluten Sensitivity 49 Gene Mutations 49 Osteoporosis Drugs 49 Inositol 49 corticosterone 49 Analgesic 49 Polycystic Ovary Syndrome 49 Ovaries 49 Ischaemic 49 Circadian Rhythms 49 Nutrient 49 Human Chorionic Gonadotropin 49 Neuronal 49 Risedronate 49 Armour Thyroid 49 Artificial Sweeteners 49 Anticonvulsant 49 glucocorticoids 49 Colorectal Cancers 49 GnRH agonists 49 Viral Infection 49 LTB4 49 BACE1 49 Peptic Ulcer 49 Caloric Restriction 49 Asthma Treatment 49 estrogen progesterone 49 TPMT 49 Vitamin B6 49 Inhibin B 49 Equol 49 Prostaglandin 49 hormone aldosterone 49 Caffeine 49 Acetyl L Carnitine 49 Weight Loss Drug 49 thyroxine 49 Coenzyme Q 49 Gastric Bypass Surgery 49 Creatine 49 lowers blood glucose 49 Cell Differentiation 49 Ovary Removal 49 Appetite Suppressant 49 soy isoflavones 49 Appears Safe 49 Diet Linked 49 Stress Anxiety 49 Prolongs Life 49 Breast Cancers 49 Fatty acid 49 hormone thyroxine 49 Hematopoietic Stem Cells 49 Thyroid 49 apoC III 49 Treat Parkinson Disease 49 Multivitamins 49 Visceral Fat 49 Food Cravings 49 Heartburn Drugs 49 Dopamine 49 nutrient absorption 49 hormone androgen 49 Romantic Relationships 49 dopamine 49 Foetal 49 Pregnancy Linked 49 alpha hydroxyprogesterone caproate 49 Reduces Breast Cancer 49 Premature Birth 49 Weight Loss Pill 49 Gene Variant 49 Drug Resistant 49 melatonin supplements 49 Peptide 49 Glycemic 49 vitamin B2 49 Inflammatory Response 49 Choline 49 seratonin 49 CoQ 49 hormone oxytocin 49 Clotting 49 Thiamine 49 Docosahexaenoic Acid 49 Corticosteroid 49 Lung Cancer Survival 49 Follicle Stimulating Hormone 49 hormone melatonin 49 Genital Herpes 49 Pelvic Pain 49 Synthetic Peptide 49 Polycystic Ovarian Syndrome 49 Breast Tissue 49 Mitochondrial 49 Inhibitory 49 Nicotine Addiction 49 Fruits Veggies 49 Disorder FSAD 49 Hormonal Therapy 49 Superoxide 49 FDA Cracks Down 49 dose oral contraceptives 49 stress hormones 49 adiponectin levels 49 benfotiamine 49 cortisol secretion 49 Natural Hormone 49 Pre Eclampsia 49 Immune System 49 Lung Cancers 49 Sexual Function 49 Perimenopause 49 folic acid vitamin B# 49 Vitamin K2 49 Erythropoietin 49 Autoimmune Diseases 49 Ritonavir 49 Phytoestrogens 49 luteinising hormone 49 Stroke Risk 49 Thiazolidinediones 49 Testosterone Therapy 49 Endoplasmic Reticulum 49 Vitamin B5 49 Protein Linked 49 Hemoglobin 49 Oxidative Stress 49 TNF Alpha 49 Ejaculation 49 Opioid 49 Anti oxidant 49 digestive enzyme 49 Inflammatory Disease 49 Valerian Root 49 hormones cortisol 49 Shows Promise Against 49 Reduced Risk 49 L Arginine 49 serotonergic neurons 49 Ephedra 49 Preterm Birth 49 Bipolar Mania 49 Thiamin 49 ACE Inhibitors 49 adiponectin 49 Anti Tumor 49 Obese Patients 49 Pharmacological 49 acetyl L carnitine 49 thyroxine T4 49 Hippocampal 49 Osteoporosis Drug 49 Metabolic Disorder 49 pancreatic polypeptide 49 cobalamin 49 Vaginal Infections 49 Inhaled Steroids 49 Pain Medication 49 androgenic hormones 48 Pregnancy Complication 48 Lipid Metabolism 48 Darapladib 48 female hormone progesterone 48 Mannitol 48 gonadotropin releasing hormone GnRH 48 hormone ghrelin 48 Could Predict 48 Bladder Control 48 Cancer Cells 48 Weight Loss Supplement 48 Skin Lesions 48 Calorie Restriction 48 Ketogenic Diet 48 Ectopic Pregnancy 48 Peanut Allergies 48 leptin signaling 48 Hair Loss 48 Antihistamine 48 Iron Overload 48 thiamine vitamin B1 48 L Lysine 48 hormone therapy estrogen 48 incretin 48 Oral Contraceptive 48 Vitamin D Supplements 48 Bone Fractures 48 Placental 48 synthetic progestin 48 coenzyme Q# 48 Triglyceride 48 improves insulin sensitivity 48 Predict Prostate Cancer 48 Aerobic Exercise 48 Neurotransmitter 48 Uterine Fibroids 48 Antipsychotic Medications 48 Hip Fractures 48 X Chromosome 48 hepatic glucose production 48 Vitamin D 48 aromatase 48 gonadotropin releasing hormone 48 Anemia Drugs 48 Insulin Secretion 48 hormone imbalances 48 thyrotropin 48 growth hormone secretion 48 calcium homeostasis 48 Subclinical 48 Acne Scars 48 mitochondrial function 48 Genes Linked 48 Premature Infants 48 Low Carb Diet 48 Molecular Mechanism 48 peptide YY PYY 48 monolaurin 48 Potassium 48 Novel Treatments 48 Circadian Clock 48 Sex Hormones 48 Egg Freezing 48 I3C 48 neurohormonal 48 Tumor Growth 48 Autoantibodies 48 thyroid stimulating hormone TSH 48 Breast Cancer Treatment 48 Glucose Levels 48 serotonin signaling 48 hormone therapy 48 Weight Gain 48 brain derived neurotrophic 48 LIFELONG HEALTH 48 Lung Transplants 48 Kidney Failure 48 protein 48 Therapeutic Effects 48 Cytokines 48 IUGR 48 Glycoprotein 48 Prostate Cancers 48 Liver Injury 48 naturally occurring estrogen 48 epinephrine norepinephrine 48 Th1 type 48 Anti oxidants 48 Vitamin B3 48 amino acid tyrosine 48 Prognostic Value 48 oxytocin hormone 48 xanthine 48 Acute Pancreatitis 48 Anti depressants 48 Protein Folding 48 Vitamin D3 48 Cerebrospinal Fluid 48 Skin Condition 48 Antiangiogenic 48 Endothelial 48 Genital Warts 48 postmenopausal estrogen 48 Folic Acid 48 Increased Mortality 48 noradrenaline 48 Resveratrol 48 reserpine 48 Platelet Derived Growth 48 Erectile Dysfunction 48 Physiologic 48 Incretin 48 Liver Failure 48 Weight Loss Supplements 48 Drug Shows Promise 48 Lignans 48 Cancer Recurrence 48 Glutamate 48 neuropeptide Y 48 Osteoarthritis Patients 48 magnesium supplements 48 Colon Cleansing 48 Flavonoids 48 Heart Failure Risk 48 Muscle Cells 48 Redox Signaling 48 Therapeutic Efficacy 48 Soy isoflavones 48 anti inflammatory cytokines 48 B vitamins 48 Cervical Cancer Vaccine 48 Supplements 48 Conjugated Linoleic Acid 48 Thyroid Cancer 48 plasminogen activator inhibitor 48 Epigenetic 48 Phytosterols 48 Drug Interactions 48 Allergic Rhinitis 48 Pesticide Exposure 48 thyroid function 48 acetylcholine neurotransmitter 48 Disease Progression 48 vitamin B1 48 Psychiatric Disorders 48 Lung Cancer Treatment 48 cardiac conduction 48 TNFalpha 48 Low Dose Aspirin 48 Ear Infections 48 Supplementation 48 Knee Osteoarthritis 48 GliSODin 48 Drospirenone 48 Sleeping Pills 48 Ovarian Cancers 48 amino acids vitamins 48 Effectively Treats 48 suppresses testosterone 48 chorionic gonadotropin 48 Oily Skin 48 Biological Clock 48 L lysine 48 Differentially 48 L Carnitine 48 Antidepressant Drug 48 Breast Cancer Stem Cells 48 L Glutamine 48 libido 48 Cystitis 48 pyridoxine 48 Migraine Sufferers 48 mitochondrial biogenesis 48 Nerve Growth 48 Horny Goat Weed 48 bioidentical hormone 48 kisspeptin 48 Amino Acids 48 Cold Sore 48 Nutritional Supplement 48 thyroid hormone levels 48 Sterols 48 Post Partum Depression 48 prostaglandin E2 48 5 alpha reductase 48 Molecular Basis 48 Premenopausal Women 48 Synthetic hormones 48 neurosteroid 48 Hyperthyroidism 48 Klotho 48 Breast Cancer Survival 48 synthetic estrogens 48 Epithelial Cells 48 aB vitamin 48 Antioxidant 48 pituitary hormone 48 Polycystic ovary syndrome PCOS 48 Low Fat Diets 48 folate 48 folate vitamin 48 Lifestyle Changes 48 Contraceptive pills 48 endogenous steroid 48 oxidant stress 48 cannabinoid receptor 48 creatine kinase 48 Sleep Deprivation 48 Urine Test 48 Signaling Pathway 48 exendin 4 48 loop diuretics 48 catecholamines 48 metabolism 48 amino acid tryptophan 48 Healthbeat Report 48 beta sitosterol 48 Suicidal Thoughts 48 onset puberty 48 Sleeping Pill 48 Cognitive Decline 48 Overactive 48 Cholesterol lowering 48 Cyclooxygenase 2 48 dihydrotestosterone DHT 48 Antiviral Drugs 48 Bisphosphonate 48 Riboflavin 48 adrenals 48 Prostate Cancer Screening 48 Lecithin 48 Amino acid 48 Hypothalamic 48 Low Carb Diets 48 adrenal cortex 48 Vegetarian Diet 48 Thinning Hair 48 Pain Relievers 48 Asthma Attacks 48 Provides Clues 48 Sleep Patterns 48 phytoestrogens 48 Electrolytes 48 Fibrates 48 Exercise Induced Asthma 48 Advanced Glycation End 48 glucocorticoid hormones 48 estrogens 48 Bowel Disease 48 Eases Pain 48 histone acetylation 48 Transcriptome 48 Biological Clocks 47 hormones secreted 47 hypothalamic pituitary axis 47 Transcription Factor 47 Ginkgo Biloba 47 fatty acid 47 Yeast Rice 47 Urinary 47 Lactate 47 Potentially Fatal 47 Shingles Vaccine 47 Treatment Reduces 47 Healthbeat 47 satiety hormone 47 Colon Polyps 47 Growth Hormone GH 47 SHBG 47 hormone testosterone 47 endocrine 47 chemical serotonin 47 Metastatic Cancer 47 oxidized LDL 47 premenstrual syndrome PMS 47 Magnesium deficiency 47 Brain Derived Neurotrophic 47 Male Enhancement 47 Aspirin Reduces 47 Taurine 47 hormone replacement 47 Lactose 47 mucins 47 Ovarian Cancer Treatment 47 Cholesterol Lowering Drug 47 l carnitine 47 cortisol levels 47 CRF antagonists 47 Vaginal Gel 47 cyclopamine 47 Stronger Warnings 47 secrete hormones 47 Genes Identified 47 lipoic acid 47 Often Misdiagnosed 47 neurohormones 47 Ovary 47 RANKL 47 Dosages 47 Rheumatic Fever 47 Spironolactone 47 cortisol stress 47 genistein 47 Flax Seed 47 Bone Marrow Cells 47 Adiposity 47 Signaling Pathways 47 endocannabinoids 47 Anti Depressants 47 prostaglandins 47 adrenocorticotropic hormone ACTH 47 Glyconutrients 47 Colorectal Adenomas 47 Panic Disorder 47 Folic Acid Supplements 47 induce ovulation 47 Heel Pain 47 Cell Adhesion 47 Causes Symptoms 47 Amniotic Fluid 47 Rheumatoid Arthritis Patients 47 iPS Cells 47 BCL#A 47 L carnitine 47 Omega 6s 47 Prostate Cancer Progression 47 Adult Acne 47 NRG1 47 Steroidal 47 Prenatal vitamins 47 Schizophrenia Drug 47 luteinizing hormone LH 47 Diet Pill 47 Probiotic 47 Rhodiola 47 macrophage migration 47 Clogged Arteries 47 vitamin B# 47 Abdominal Fat 47 hippocampal neurogenesis 47 Skin Disorders 47 Unsaturated fats 47 Could Prevent 47 Fibroid 47 Valproate 47 Clot Risk 47 Hormone replacement 47 Whey Protein 47 Nonalcoholic Fatty Liver Disease 47 ovarian function 47 glutathione 47 FAMILY DOCTOR 47 FDA Approves Drug 47 Andropause 47 bioidentical 47 serum testosterone 47 conjugated estrogen 47 Selegiline 47 Your Hormones 47 Brain Stimulation 47 cholecystokinin 47 Experimental Vaccine 47 Mouse Model 47 hormone binding globulin 47 Sexual Dysfunction 47 urinary calcium 47 Treatment Shows Promise 47 sleep hormone melatonin 47 Clinically Proven 47 Drug Coated Stents 47 Monounsaturated 47 Brain Scans 47 Skin Cells 47 Sleep Duration 47 Placenta 47 neurotrophic 47 Low Birthweight 47 Vitamin D Linked 47 Antidiabetic 47 Insulin 47 Long Lasting 47 Calcineurin 47 Lipid Levels 47 Sex Hormone 47 Anticancer Activity 47 Impairs 47 male hormone testosterone 47 Diabetes Obesity 47 retinol vitamin 47 Alprostadil 47 HCG injections 47 Childhood Asthma 47 Heart Failure Patients 47 Vitamin B1 47 glycogen metabolism 47 Bile Acid 47 Melanotan II 47 carbohydrate cravings 47 Acetyl L carnitine 47 chemical dopamine 47 Medications 47 Leg Ulcers 47 Thyroid gland 47 Asthma Symptoms 47 Immune Cell 47 dopamine norepinephrine 47 osteoprotegerin 47 Cholesterol Lowering Drugs 47 Urate 47 Apoptotic 47 Critically Ill Patients 47 B Vitamins 47 Sleep Disturbances 47 spermatogenesis