Leprosy cases are rising in the US – what is the ancient disease and why is it spreading now?

People often think of leprosy as a bygone disease, relevant primarily in biblical times. But in fact, it is still present in more than 120 countries, and the US is seeing an uptick in cases.

Robert A. Schwartz, Professor and Head of Dermatology, Rutgers New Jersey Medical School, Rutgers University • conversation
March 13, 2024 ~9 min

Traditional medicine provides health care to many around the globe – the WHO is trying to make it safer and more standardized

More people are seeking out traditional forms of medicine, from acupuncture to herbal medicines. The WHO is working to develop standards to make these healing practices implementable on a wide sale.

Paul D. Terry, Professor of Epidemiology, University of Tennessee • conversation
Sept. 6, 2023 ~8 min


WHO expert cancer group states that the sweetener aspartame is a possible carcinogen, but evidence is limited – 6 questions answered

An expert panel found a potential association with liver cancer, but too little research exists to assume a causal connection. For now, the WHO left current consumption guidelines unchanged.

Ling Zhao, Professor of Nutrition, University of Tennessee • conversation
July 21, 2023 ~9 min

Tuberculosis on the rise for first time in decades after COVID-19 interrupted public health interventions and increased inequality

Tuberculosis is a preventable and curable disease, yet before the pandemic, it killed more people than any other infectious disease.

Carlos Franco-Paredes, Associate Faculty Mycobacteria Research Laboratories, Colorado State University • conversation
July 7, 2023 ~8 min

Ringworm fungal infections are common in the US and are becoming increasingly resistant to treatment – 6 questions answered

An aggressive, antifungal-resistant form of tinea, a contagious ringworm fungal infection, has appeared in the US, likely driven by overuse and misuse of antifungal medications.

Rodney E. Rohde, Regents' Professor of Clinical Laboratory Science, Texas State University • conversation
June 29, 2023 ~9 min

WHO's recommendation against the use of artificial sweeteners for weight loss leaves many questions unanswered

The WHO report concluded that habitual use of nonsugar sweeteners is linked to a modest increase in diabetes, hypertension and stroke. But the research it’s based on has limitations.

Scott Kanoski, Associate Professor of Biological Science, USC Dornsife College of Letters, Arts and Sciences • conversation
June 8, 2023 ~12 min

What does ending the emergency status of the COVID-19 pandemic in the US mean in practice? 4 questions answered

The emergency status allowed the federal government to cut through a mountain of red tape, with the goal of responding to the pandemic more efficiently.

Amy Lauren Fairchild, Dean and Professor of Public Health, The Ohio State University • conversation
May 10, 2023 ~11 min

Obesity in children is rising dramatically, and it comes with major – and sometimes lifelong – health consequences

The American Academy of Pediatrics has recently released new obesity management guidelines in order to help address the growing obesity crisis in children.

Christine Nguyen, 2023 California Health Equity Fellow, University of Southern California • conversation
May 5, 2023 ~11 min


Does this cause cancer? How scientists determine whether a chemical is carcinogenic – sometimes with controversial results

The WHO’s International Agency for Research on Cancer convenes a panel of scientific experts to review available evidence on whether specific chemicals or occupational exposures may cause cancer.

Brad Reisfeld, Professor of Chemical and Biological Engineering, Colorado State University • conversation
Jan. 30, 2023 ~9 min

Nasal vaccines promise to stop the COVID-19 virus before it gets to the lungs – an immunologist explains how they work

An effective nasal vaccine could stop the virus that causes COVID-19 right at its point of entry. But devising one that works has been a challenge for researchers.

Michael W. Russell, Professor Emeritus of Microbiology and Immunology, University at Buffalo • conversation
Dec. 14, 2022 ~9 min

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