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Related Concept Videos

Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

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In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
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Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

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Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
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Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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Classification of Illness01:17

Classification of Illness

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The meaning of illness is individualized to each person who experiences an alteration in health. In contrast, disease is a medical term indicating a pathological change in the structure and function of the body or mind. It is a condition that has specific symptoms and boundaries.
An illness is a response to a disease in which the person's level of functioning is changed compared with a previous level. The general classification of illness includes acute and chronic.
Acute illness is severe...
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COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
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Immunological Memory01:23

Immunological Memory

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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
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A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)
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A Pediatric Concussion Model in Mice: Closed Head Injury with Long-Term Disorders (CHILD)

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Children with long covid.

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    Summary
    This summary is machine-generated.

    Nearly half of children with COVID-19 may experience long COVID symptoms. This finding is crucial for decisions regarding school reopenings and student health management.

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    Area of Science:

    • Pediatrics
    • Infectious Diseases
    • Public Health

    Background:

    • COVID-19, caused by the SARS-CoV-2 virus, has become a global pandemic.
    • Children represent a significant population affected by the virus, with varying clinical presentations.
    • The long-term health implications of pediatric COVID-19 are still being investigated.

    Purpose of the Study:

    • To investigate the prevalence of persistent symptoms in children following COVID-19 infection.
    • To provide data that can inform public health policies, particularly concerning school environments.
    • To highlight the potential impact of long COVID on pediatric populations.

    Main Methods:

    • A review of existing studies and data on pediatric COVID-19 cases.
    • Analysis of reported long-term symptoms in children post-infection.
    • Synthesis of findings to estimate the proportion of children with lasting symptoms.

    Main Results:

    • Approximately 50% of children who contract COVID-19 may experience lingering health issues.
    • Common persistent symptoms include fatigue, respiratory problems, and cognitive difficulties.
    • The data suggests a substantial burden of long COVID in the pediatric population.

    Conclusions:

    • The high incidence of long COVID in children necessitates careful consideration in policy-making.
    • Decisions on reopening schools and managing pediatric health must account for these lasting effects.
    • Further research is needed to understand the mechanisms and management of pediatric long COVID.