Skip to content
← Short explanationsONE LIBRARY. MANY GOOD QUESTIONS.

The research library.

Explore original research by topic, question or PMID.
Short explanations show the finding and its limits. Paper records link you to the source.

17,820 research records2,531 short explanations
Gut healthPaper record

Probiotic supplements and bone health in postmenopausal women: a meta-analysis of randomised controlled trials.

Meta-analysis · BMJ Open · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Focus & moodPaper record

Impact of Music Therapy on Preoperative Anxiety and Degree of Cooperation With Anesthesia Induction in Children With Simple Congenital Heart Disease.

Randomized controlled trial · J Perianesth Nurs · 2021. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

SupplementsPaper record

Effect of six weeks 1000 mg/day vitamin C supplementation and healthy training in elderly women on genes expression associated with the immune response - a randomized controlled trial.

Randomized controlled trial · J Int Soc Sports Nutr · 2021. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Focus & moodPaper record

Psychosocial risk factors for postpartum depression in Chinese women: a meta-analysis.

Meta-analysis · BMC Pregnancy Childbirth · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Gut healthPaper record

The Effectiveness and Safety of Multi-Strain Probiotic Preparation in Patients with Diarrhea-Predominant Irritable Bowel Syndrome: A Randomized Controlled Study.

Randomized controlled trial · Nutrients · 2021. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

EnvironmentPaper record

Ambient nitrogen dioxide and years of life lost from chronic obstructive pulmonary disease in the elderly: A multicity study in China.

Meta-analysis · Chemosphere · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

SleepPaper record

Effect of lithium on circadian rhythm in bipolar disorder: A systematic review and meta-analysis.

Meta-analysis · Bipolar Disord · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Focus & moodPaper record

Investigating the effect of national government physical distancing measures on depression and anxiety during the COVID-19 pandemic through meta-analysis and meta-regression.

Meta-analysis · Psychol Med · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

RelationshipsPaper record

Effects of Laughter Therapy on Life Satisfaction and Loneliness in Older Adults Living in Nursing Homes in Turkey: A Parallel Group Randomized Controlled Trial.

Randomized controlled trial · Rehabil Nurs · 2021. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

RelationshipsPaper record

Effects of Laughter Therapy on Life Satisfaction and Loneliness in Older Adults Living in Nursing Homes in Turkey: A Parallel Group Randomized Controlled Trial.

Randomized controlled trial · Rehabil Nurs · 2021. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

SupplementsPaper record

The effect of platelet-rich plasma-fibrin glue dressing in combination with oral vitamin E and C for treatment of non-healing diabetic foot ulcers: a randomized, double-blind, parallel-group, clinical trial.

Randomized controlled trial · Expert Opin Biol Ther · 2021. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Focus & moodPaper record

Stimulating meditation: a pre-registered randomised controlled experiment combining a single dose of the cognitive enhancer, modafinil, with brief mindfulness training.

Randomized controlled trial · J Psychopharmacol · 2021. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Gut healthPaper record

The Association Between the Gut Microbiota and Parkinson's Disease, a Meta-Analysis.

Systematic review · Front Aging Neurosci · 2021. Source record refreshed; an explanation has not been reviewed.

Systematic review2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

EnvironmentPaper record

Long-term exposure to nitrogen dioxide and mortality: A systematic review and meta-analysis.

Meta-analysis · Sci Total Environ · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Focus & moodPaper record

Dehydration in older people: A systematic review of the effects of dehydration on health outcomes, healthcare costs and cognitive performance.

Systematic review · Arch Gerontol Geriatr · 2021. Source record refreshed; an explanation has not been reviewed.

Systematic review2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

EnvironmentPaper record

Estimation of excess mortality due to long-term exposure to PM2.5 in continental United States using a high-spatiotemporal resolution model.

Meta-analysis · Environ Res · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Increased COVID-19 infections in women with polycystic ovary syndrome: a population-based study.

Study design not specified in the source record · Eur J Endocrinol · 2021. Source record refreshed; an explanation has not been reviewed.

Study design not specified in the source record2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Androgen receptor-reduced sensitivity is associated with increased mortality and poorer glycaemia in men with type 2 diabetes mellitus: a prospective cohort study.

Cohort study (title) · Cardiovasc Endocrinol Metab · 2021. Source record refreshed; an explanation has not been reviewed.

Cohort study (title)2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Effectiveness and Distribution of Testosterone Levels within First Year of Androgen Deprivation Therapy in a Real-World Setting: Results from the Non-Interventional German Cohort LEAN Study.

Study design not specified in the source record · Urol Int · 2021. Source record refreshed; an explanation has not been reviewed.

Study design not specified in the source record2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

SupplementsPaper record

The Effect of Creatine Supplementation on Markers of Exercise-Induced Muscle Damage: A Systematic Review and Meta-Analysis of Human Intervention Trials.

Meta-analysis · Int J Sport Nutr Exerc Metab · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Gut healthPaper record

Association between physical activity and changes in intestinal microbiota composition: A systematic review.

Systematic review · PLoS One · 2021. Source record refreshed; an explanation has not been reviewed.

Systematic review2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Focus & moodPaper record

Cognitive-behavioural therapy for a variety of conditions: an overview of systematic reviews and panoramic meta-analysis.

Meta-analysis · Health Technol Assess · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Gut healthPaper record

Efficacy of probiotics in multiple sclerosis: a systematic review of preclinical trials and meta-analysis of randomized controlled trials.

Meta-analysis · Food Funct · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

NutritionPaper record

Vegan dietary pattern for the primary and secondary prevention of cardiovascular diseases.

Meta-analysis · Cochrane Database Syst Rev · 2021. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2021
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Topics help you browse; they are not clinical recommendations. What our review labels mean ↗