Public Health

September 2025

• Sep 19, 2025ConceptsWhy Mental Health Rates Are ChangingGlobal mental health rates have shifted dramatically, especially among adolescents since 2012.17 MIN3.3k

August 2025

• Aug 31, 2025ExplainersWhat Is the Opioid Crisis? Analyzing Its Causes and EffectsThe opioid crisis has killed more than 645,000 Americans since 1999. Understand the three waves, the neuroscience of addiction, Purdue Pharma's...19 MIN6.0k
• Aug 26, 2025ExplainersThe Obesity Epidemic: Biology and Environment ExplainedUS obesity tripled in four decades, reaching 42% in the 2017-2018 NHANES survey (published 2020). Explore the biology of why energy regulation fails, the role of the food environment,...21 MIN4.5k

May 2025

• May 21, 2025ExplainersPublic Health: Advancing Population Health InitiativesPublic health is the science of protecting and improving health at the population level. From John Snow's cholera map to COVID-19 vaccines, explore...15 MIN9.1k

April 2025

• Apr 4, 2025ExplainersUnderstanding Long COVID: Symptoms and Ongoing ResearchLong COVID affects an estimated 10-30% of COVID-infected individuals with symptoms lasting months.20 MIN5.1k

March 2025

• Mar 2, 2025ExplainersUnderstanding Addiction: Neuroscience and Policy InsightsA deep look at the neuroscience of addiction, the dopamine system, how tolerance works, what the opioid crisis reveals about pharmaceutical...20 MIN6.9k

August 2024

• Aug 30, 2024ExplainersWhy Sleep Deprivation Seems Acceptable But Isn'tSleep-deprived people are the worst judges of their own impairment. The Penn chronobiology study, the glymphatic system, and the neuroscience that...16 MIN2.4k
• Aug 26, 2024ExplainersWhy Loneliness Is Deadly: The Biology of Social IsolationLoneliness is a public health crisis. Chronic social isolation increases mortality risk equivalent to smoking 15 cigarettes a day.17 MIN1.9k
• Aug 13, 2024ExplainersThe History of Medicine: From Humors to Molecular BiologyFrom Hippocratic humors to CRISPR gene editing, the history of medicine spans 2,500 years of revolution.20 MIN4.7k
• Aug 3, 2024ExplainersEpidemiology: Understanding Disease Spread and ImpactEpidemiology is the science of how diseases spread, who gets them, and why. Learn about John Snow's cholera map, study designs, the Bradford Hill...18 MIN8.6k

July 2024

• Jul 20, 2024ExplainersHow Vaccines Work: Immune Response ExplainedVaccines teach the immune system to recognize and fight pathogens before real infection occurs.20 MIN8.4k
• Jul 2, 2024ExplainersUnderstanding Pandemic Spread and Mitigation StrategiesHow do pandemics spread? Understand R0, transmission routes, the SIR model, how viruses evolve, and why some outbreaks become pandemics while...18 MIN9.6k

June 2024

• Jun 24, 2024ExplainersHow Inequality Affects Health: The Whitehall Studies ExplainedHow does inequality affect health? Explore the Whitehall Studies, allostatic load, the Spirit Level thesis, ACEs, and what interventions actually...17 MIN2.5k
• Jun 8, 2024ExplainersHow Antibiotics Work: Mechanisms and Resistance ExplainedHow do antibiotics work? Understand the mechanisms of different antibiotic classes, why antibiotic resistance is a global health crisis, and what...19 MIN6.0k

March 2024

• Mar 29, 2024CultureWhy Loneliness Is a Public Health CrisisLoneliness now kills as surely as smoking. Explore the science of social disconnection, from Julianne Holt-Lunstad's landmark mortality research to...17 MIN3.6k

July 2023

• Jul 10, 2023CultureExploring the Global Loneliness CrisisA deep dive into the global loneliness crisis: what the science says, why social media makes it worse, and what actually works to rebuild human...13 MIN6.3k

May 2022

• May 31, 2022ConceptsThe Science Behind Addiction and Its MechanismsAddiction explained: from the dopamine reward system and prediction error neurons to the brain disease model controversy, Rat Park, the opioid...20 MIN7.7k