Lead poisoning usually causes no immediate symptoms, but over time, lead causes damage to developing brains, so children exposed to lead (even at low levels) can have slowed growth and development and problems with learning, behavior, hearing, and speech that may be permanent. Adults with lead...
Library & Search Results
What Should I Know About Stopping Routine Cancer Screening?
Cancer screening tests are not perfect. Test results may suggest cancer when there is none (false-positive screen). They can also miss cancer even if it is present (false-negative screen). False-positive results can lead to emotional stress and more testing without improving health. Screening...
Fifteen-Year Outcomes after Monitoring, Surgery, or Radiotherapy for Prostate Cancer
Background
Between 1999 and 2009 in the United Kingdom, 82,429 men between 50 and 69 years of age received a prostate-specific antigen (PSA) test. Localized prostate cancer was diagnosed in 2664 men. Of these men, 1643 were enrolled in a trial to evaluate the effectiveness of treatments,...
Heart Failure With Preserved Ejection Fraction
Importance Heart failure with preserved ejection fraction (HFpEF), defined as HF with an EF of 50% or higher at diagnosis, affects approximately 3 million people in the US and up to 32 million people worldwide. Patients with HFpEF are hospitalized approximately 1.4 times per year and have an...
Foreign body aspiration in children
In Canada, choking or suffocation accounts for about 40% of unintentional deaths among children younger than 1 year.
Round and cylindrical food or other foreign bodies (e.g., hot dogs, sausages, grapes, marbles) pose the greatest risk. Uninflated balloons are hazardous owing to their...
Foreign body aspiration in children
In Canada, choking or suffocation accounts for about 40% of unintentional deaths among children younger than 1 year.
Round and cylindrical food or other foreign bodies (e.g., hot dogs, sausages, grapes, marbles) pose the greatest risk. Uninflated balloons are hazardous owing to their...
Dynamics of Naturally-Acquired Immunity Against SARS-CoV-2 in Children and Adolescents
Background
To evaluate the duration of protection against reinfection conferred by a previous SARS-CoV-2 infection in children and adolescents.
Methods
We applied two complementary approaches: a matched test-negative, case-control design and a retrospective cohort design. 458,...
Parkinson disease primer, part 2: management of motor and nonmotor symptoms
Objective To provide family physicians with an approach to the management of
motor and nonmotor symptoms of Parkinson disease (PD).
Sources of information Published guidelines on the management of PD were
reviewed. Database searches were conducted to retrieve relevant research...
Vitamin D and Risk for Type 2 Diabetes in People With Prediabetes : A Systematic Review and Meta-analysis of Individual Participant Data From 3 Randomized Clinical Trials
Background: The role of vitamin D in people who are at risk for type 2 diabetes remains unclear.
Purpose: To evaluate whether administration of vitamin D decreases risk for diabetes among people with prediabetes.
Data sources: PubMed, Embase, and ClinicalTrials.gov from database...
Diagnosis and management of patients with polyneuropathy
Polyneuropathy is a common neurologic condition with an overall prevalence in the general population of about 1%–3%, increasing to roughly 7% among people older than 65 years. Polyneuropathy has many causes, and can present in many different ways; thus, it requires a logical clinical approach...