Vasectomy methods for birth control in men
Vasoactive drugs for acute stroke
Vasodilators and vasoactive substances for idiopathic sudden sensorineural hearing loss
Vasodilators for treating intrauterine growth restriction
Vasodilators for women undergoing fertility treatment
Vasopressin and its analogues for the treatment of refractory hypotension in neonates
Vasopressors for hypotensive shock
Vector and reservoir control for preventing leishmaniasis
Vedolizumab for induction and maintenance of remission in Crohn’s disease
Vedolizumab for the treatment of active and inactive ulcerative colitis
Vegan dietary pattern for the primary and secondary prevention of cardiovascular diseases
Velnacrine is not beneficial for people with Alzheimer's disease
Vena caval filters for the prevention of pulmonary embolism
Venepuncture versus heel lance for blood sampling in term neonates
Venlafaxine for neuropathic pain in adults
Venlafaxine versus other anti-depressive agents for depression
Venous arterialization for the salvage of critically ischemic lower limbs
Venous blood clot prevention in people undergoing lower limb amputation
Venous cutdown versus the Seldinger technique for placement of totally implantable venous access ports
Venous thromboembolism prophylaxis for acute spinal cord injury patients
Ventriculo-peritoneal shunting devices for hydrocephalus
Vertebroplasty for treating spinal fractures due to osteoporosis
Very early discharge versus early discharge versus non-early discharge in children with cancer and fever during neutropenia
Very early versus delayed mobilisation after stroke
Very tight versus tight control for diabetes in pregnancy
Vesicular monoamine transporter inhibitors versus placebo for antipsychotic-induced tardive dyskinesia
Vestibular rehabilitation to improve dizziness, balance and mobility in patients with unilateral peripheral vestibular dysfunction
Vibroacoustic stimulation for fetal assessment in labour in the presence of a nonreassuring fetal heart rate trace
Video feedback for parental sensitivity and child attachment
Video games for schizophrenia
Video-assisted chest surgery may be more effective than chest tube drainage for the lung complication pleural empyema
Video-assisted thoracoscopic lobectomy versus open thoracotomy conventional lobectomy for stage I non-small cell lung cancer
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Videolaryngoscopes to guide the insertion of breathing tubes in adult surgical patients
Vigabatrin for refractory partial epilepsy
Vigabatrin versus carbamazepine monotherapy for epilepsy
Vilanterol and fluticasone furoate for chronic asthma in adults and children
Vilazodone for major depressive disorder in adults
Vinpocetine for acute ischaemic stroke
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Virtual patient simulations for health professional education
Virtual reality environments for health professional education
Virtual reality for stroke rehabilitation
Virtual reality needs to be explored to show its effects for treatment of schizophrenia
Virtual reality simulation for reducing pain in children
Virtual reality simulators for training in gastrointestinal endoscopy
Virtual reality technology as a useful tool for rehabilitation in Parkinson's disease
Virtual reality training for improving the skills needed for performing surgery of the ear, nose or throat
Virtual reality training for supplementing standard training in surgical trainees with limited prior laparoscopic experience
Viscosupplementation for the treatment of osteoarthritis of the knee
Vision screening of older drivers to prevent road traffic injuries and deaths
Vision screening programmes for amblyopia (lazy eye)
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Visual cycle modulators versus placebo or observation for the prevention and treatment of geographic atrophy due to age-related macular degeneration
Vitamin A creams and lotions for nappy (diaper) rash
Vitamin A for measles in children
Vitamin A for non-measles pneumonia in children
Vitamin A for preventing acute lower respiratory tract infections in children up to seven years of age
Vitamin A for preventing blindness in children with measles
Vitamin A supplementation during pregnancy
Vitamin A supplementation during pregnancy for maternal and newborn health outcomes
Vitamin A supplementation for infants one to six months of age for preventing death and illnesses
Vitamin A supplementation for postpartum women
Vitamin A supplementation for preventing disease and death in children aged six months to five years
Vitamin A supplementation for prevention of mortality and morbidity in moderate and late preterm infants
Vitamin A supplementation to prevent deaths and short- and long-term illness in very low birth weight infants
Vitamin A supplements for reducing mother-to-child transmission of HIV infection
Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid life
Vitamin and mineral supplementation for preventing cognitive deterioration in cognitively healthy people in mid and late life
Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with mild cognitive impairment
Vitamin and mineral supplements for women during pregnancy
Vitamin B and its derivatives for diabetic kidney disease
Vitamin B for treating diabetic peripheral neuropathy
Vitamin B for treating disorders of the peripheral nerves
Vitamin B6 (pyridoxine) supplementation in pregnancy or labour for maternal and neonatal outcomes
Vitamin B6 and magnesium in combination for children with autism spectrum disorder
Vitamin C and superoxide dismutase (SOD) for diabetic retinopathy
Vitamin C for asthma and exercise-induced breathlessness
Vitamin C for Charcot-Marie-Tooth (CMT) disease (hereditary motor and sensory neuropathy)
Vitamin C for preventing and treating pneumonia
Vitamin C for preventing and treating tetanus
Vitamin C for preventing and treating the common cold
Vitamin C for preventing complex regional pain syndrome (type I) after wrist fractures in adults
Vitamin C for treating atrial fibrillation
Vitamin C supplementation for asthma
Vitamin C supplementation for prevention and treatment of pneumonia
Vitamin C supplementation in pregnancy
Vitamin C supplementation to prevent cardiovascular disease
Vitamin D and related vitamin D compounds for preventing fractures resulting from osteoporosis in older people
Vitamin D compounds for people with chronic kidney disease not requiring dialysis
Vitamin D compounds for people with chronic kidney disease requiring dialysis
Vitamin D for improving bone density in children
Vitamin D for preventing cardiovascular disease
Vitamin D for the management of chronic obstructive pulmonary disease
Vitamin D for the management of multiple sclerosis
Vitamin D for the treatment of chronic painful conditions in adults
Vitamin D for the treatment of inflammatory bowel disease
Vitamin D supplementation for chronic liver diseases
Vitamin D supplementation for obese adults undergoing bariatric surgery
Vitamin D supplementation for overweight or obese adults
Vitamin D supplementation for preventing infections in children under five
Vitamin D supplementation for preventing recurrent stroke and vascular events in patients with stroke or transient ischaemic attack
Vitamin D supplementation for prevention of cancer in adults 
Vitamin D supplementation for prevention of mortality in adults
Vitamin D supplementation for prevention of vitamin D deficiency in preterm and low birth weight infants
Vitamin D supplementation for sickle cell disease
Vitamin D supplementation for term breastfed infants to prevent vitamin D deficiency and improve bone health
Vitamin D supplementation in infancy for improving bone density
Vitamin D supplementation in pregnancy
Vitamin D supplementation in pregnant or breastfeeding women or young children for preventing asthma
Vitamin D to prevent asthma attacks
Vitamin D with or without calcium for treating osteoporosis in postmenopausal women
Vitamin D, calcium or a combination of vitamin D and calcium for the treatment of nutritional rickets in children
Vitamin E for antipsychotic-induced tardive dyskinesia
Vitamin E for intermittent claudication
Vitamin E supplementation for adults with diabetes mellitus
Vitamin E supplementation for preventing recurrent stroke and other vascular events in patients with stroke or transient ischaemic attack
Vitamin E supplementation for prevention of morbidity and mortality in preterm infants
Vitamin E supplementation in people with cystic fibrosis
Vitamin E supplementation in pregnancy
Vitamin K antagonists or low-molecular-weight heparin for long term treatment of symptomatic blood clots
Vitamin K antagonists versus antiplatelet therapy after transient ischaemic attack or minor ischaemic stroke of presumed arterial origin
Vitamin K for the prevention and treatment of osteoporosis in post-menopausal women
Vitamin K for upper gastrointestinal bleeding in people with acute or chronic liver diseases
Vitamin K prior to preterm birth for preventing neonatal periventricular haemorrhage
Vitamin K supplementation during pregnancy for improving outcomes
Vitamin K supplementation for cystic fibrosis
Vitamin K supplementation to prevent cardiovascular disease
Vitamin supplementation for preventing miscarriage
Vitamins and minerals for subfertility in women
Vitamins and minerals for the prevention of colorectal adenomas and carcinomas
Vitamins C and E for asthma and exercise-induced breathlessness
Vitamins for epilepsy
Vitamins while pregnant: healthy or unnecessary?
Vitex agnus castus for premenstrual syndrome
Vitrectomy for idiopathic macular hole
Vitrectomy with internal limiting membrane (ILM) peeling versus vitrectomy with no peeling for idiopathic full-thickness macular hole (FTMH)
Vitrification in comparison to slow freezing for egg cryopreservation in women undergoing assisted reproduction
Vivli to use Cochrane vocabulary to power Vivli’s search
Vocational Rehabilitation (VR) programs are used to support persons with multiple sclerosis ( MS) on their entering or returning to work
Vocational rehabilitation for acquired brain injury in adults
Vocational rehabilitation for helping workers return to work after injuring their fingers, hand, or arm
Vocational rehabilitation for people with severe mental illness
Vortioxetine for the treatment of depression in adults
Vox reports on the 'worm wars'
Walking for hypertension
Ward and organisational practices to recognise and manage patient deterioration in hospital
Ward reduction without general anaesthesia versus reduction and repair under general anaesthesia for gastroschisis in newborn infants
Warfarin initiation nomograms of 5 mg and 10 mg for venous thromboembolism
Warfarin is the most efficacious agent for prevention of stroke in patients with atrial fibrillation
Warm versus cold blood, and any blood versus crystalloid, cardioplegia in adults undergoing coronary artery bypass grafting surgery with cardiopulmonary bypass
Warmed fluids for preventing hypothermia during operations
Watchful waiting versus surgical operation for asymptomatic hernia
Water fluoridation to prevent tooth decay
Water infusion versus air insufflation for colonoscopy
Water precautions for prevention of infection in children with ventilation tubes (grommets)
Water, sanitation and hygiene (WASH) interventions: effects on child development in low- and middle-income countries
Water-based exercise training for people with chronic obstructive pulmonary disease
Water-based exercises for improving activities of daily living after stroke
Wavefront excimer laser refractive surgery for adults with refractive errors
Ways of communicating to a woman that she has breast cancer
Ways of helping children with cancer to take part in decisions about their health care
Ways of improving communication with children and adolescents about their cancer
Ways of improving older patients' involvement in their primary care
Ways of keeping enough jaw bone to allow for dental implants after teeth have been taken out
Ways to encourage workers to wear protective equipment to stop them breathing in harmful substances
Ways to help people follow prescribed medicines
Ways to help people stop using smokeless tobacco (including chewing tobacco, snuff and snus)
Ways to help pregnant women avoid preterm birth
Ways to help turn a breech baby to head first presentation at the end of pregnancy
Ways to improve use of hormonal birth control
Ways to increase use of non-hormonal long-acting birth control
Ways to reduce risky sexual behaviour in homeless youth to prevent HIV
Ways to support older people deciding whether to enter long-term residential care
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We found no evidence of any beneficial effect of amino acid therapy (branched-chain amino acids or L-threonine) on amyotrophic lateral sclerosis / motor neuron disease
Weaning from mechanical ventilation using pressure support or a T-tube for a spontaneous breathing trial
Wearing a helmet dramatically reduces the risk of head and facial injuries for bicyclists involved in a crash, even if it involves a motor vehicle
Wearing Cochrane evidence: a personal story of impact
Wearing stockings to provide compression for the treatment of varicose veins
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Website for the 2018 Cochrane Colloquium is now live
Weekly versus tri-weekly paclitaxel with carboplatin for first-line treatment in women with ovarian cancer
Weight loss for overweight patients with knee or hip osteoarthritis
Weight loss intervention through lifestyle modification or pharmacotherapy for obstructive sleep apnoea in adults
Weight reduction for non-alcoholic fatty liver disease
Weight reduction for primary prevention of stroke in adults with overweight or obesity
Weight-loss interventions in endometrial cancer survivors
Weight-reducing diets for people with elevated blood pressure
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Wendan decoction for schizophrenia
What are clients' experiences and perceptions of receiving health information via their mobile phones?
What are parents' and informal caregivers' views and experiences of communication about routine early childhood vaccination?
What are systematic reviews?
What are the benefits and harms of using technology to monitor people with asthma from home?
What are the best materials to use for the first arch wire in a fixed brace?
What are the effects of educational interventions delivered to children and/or their families, who have experienced an emergency department visit with their asthma within the previous 12 months?
What are the effects of oral adsorbents in delaying progression or preventing chronic kidney disease?
What are the most accurate tests for finding cancer of the mouth or lips (oral cancer) and conditions that may lead to oral cancer?
What are the most effective therapies for people with membranoproliferative glomerulonephritis?
What do we know about the impact of hospital nurse staffing on patients, staff and the costs of care?
What factors influence implementation of doctor-nurse substitution strategies in primary care?
What factors influence the delivery of care by skilled birth attendants in low- and middle-income countries?
What happens if haloperidol treatment is discontinued for people with schizophrenia
What improves trial recruitment?
What interventions improve adherence to treatment in patients with high blood pressure in ambulatory settings
What interventions improve the accuracy and continuity of medication lists as patients move between healthcare providers and settings?
What interventions improve the control of high blood pressure
What is Cochrane?
What is the best blood glucose target for pregnant women who have type 1 or type 2 diabetes before becoming pregnant?
What is the best insulin type and regimen for pregnant women with pre-existing diabetes?
What is the best medication for a fungal infection of the toenail?
What is the best method for maintaining the correct position of teeth after orthodontic treatment?
What is the best nursing handover style to ensure continuity of information for hospital patients?
What is the best regimen of proton pump inhibitors for bleeding peptic ulcers?
What is the best sedative technique for patients undergoing endoscopic cholangiopancreatography (ERCP)?
What is the best timing technique for intrauterine insemination in subfertile couples
What is the best treatment for a type of jaw bone cyst called a 'keratocystic odontogenic tumour'?
What is the best treatment to manage peritonitis in people on peritoneal dialysis?
What is the best way to close abdominal incisions following surgery?
What is the best way to help people with chronic obstructive pulmonary disease stop smoking?
What is the best way to use nicotine replacement therapy to quit smoking?
What is the diagnostic accuracy of computer-assisted diagnosis techniques for the detection of skin cancer in adults?
What is the diagnostic accuracy of laparoscopic staging following a CT scan for assessing whether pancreatic and periampullary cancer is resectable?
What is the diagnostic accuracy of optical coherence tomography (OCT), an imaging test, for the detection of skin cancer in adults?
What is the diagnostic accuracy of reflectance confocal microscopy for the detection of basal or squamous cell carcinoma of the skin in adults?
What is the diagnostic accuracy of teledermatology for the diagnosis of skin cancer in adults?
What is the diagnostic accuracy of the imaging test reflectance confocal microscopy (RCM) for the detection of melanoma in adults?
What is the effect of giving human albumin compared to saline to replace lost blood in critically ill or injured people
What is the evidence for benefit from leukotriene receptor antagonists in pre-school children who wheeze when they have a cold?
What is the evidence for stopping long-acting beta2-agonists for adults with stable asthma using combination therapy?
What is the most effective and safe way to administer antibiotics to prevent infection for women undergoing caesarean section
What is the most effective blood sugar range to guide treatment for women who develop gestational diabetes mellitus (GMD) in their pregnancy?
What is the most effective way to listen intermittently to the baby’s heart in labour to improve the baby’s well-being?
What is the performance of rapid tests for the diagnosis of strep throat in children?
What is the state of systematic reviews in 2016?
What is tuberculous pleurisy and how might corticosteroids work?
What treatments can be used to prevent and treat alveolar osteitis (dry socket)?
Wheat flour fortification with iron for reducing anaemia and improving iron status in populations