Articles by this author
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Waist-to-Height Ratio vs BMI: Which Tells You More?
Waist-to-height ratio is your waist measurement divided by your height, using the same units for both. The simple rule from the UK’s National Institute…
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Adult ADHD Screening with the ASRS Test
ASRS adult ADHD screening is a short self-report checklist used to flag possible attention-deficit/hyperactivity symptoms in adults. The Adult ADHD Self-Report Scale (ASRS v1.1)…
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Depression or Anxiety Screening: PHQ-9 vs GAD-7
PHQ-9 vs GAD-7 is a practical way to choose depression and anxiety screening tools when low mood and worry both feel present. The PHQ-9…
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Breast Changes: When to See a Doctor
Knowing which breast changes to get checked helps you act early without panic. Breast changes when to see a doctor usually means any new…
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Flu vs COVID vs Cold vs RSV: How to Tell Symptoms Apart
Flu vs COVID vs cold symptoms, along with RSV, can look alike at the start. Also, fever, cough, sore throat, and fatigue overlap, so…
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AUDIT Score Explained for Alcohol Screening
The AUDIT score is a 10-item World Health Organization questionnaire that screens for hazardous drinking, harmful alcohol use, and possible dependence. Items cover how…
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GAD-7 Score Explained for Anxiety Screening
The GAD-7 score is a seven-item questionnaire that screens for generalized anxiety and grades symptom severity over the past two weeks. Each item is…
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STOP-BANG Score Explained for Sleep Apnea Screening
The STOP-BANG score is an eight-item screening tool that estimates the risk of obstructive sleep apnea (OSA) from snoring, daytime tiredness, observed apneas, blood…
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How to Interpret the PHQ-9 Score in Practice
The PHQ-9 is a 9-item questionnaire that scores depressive symptoms over the past two weeks on a 0–27 scale. Standard bands are minimal (0-4),…
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Maintenance Fluid Calculation Using the 4-2-1 Rule
Learn how to calculate hourly maintenance IV fluids using the 4-2-1 rule, with formulas, worked examples, clinical cautions, and limitations.