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Articles on Epidemiology

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Given how wealth contributes to health on the personal, individual level, the case for economic growth being good for us might seem intuitive. (Shutterstock)

Is economic growth good for our health?

The historical correlation between economic prosperity and increased life expectancy might suggest that growth is generally a good thing. However, other evidence points to the downside of growth.
Feet of a person with lymphatic filariasis, also known as elephantiasis. WHO

Patients’ beliefs about illness matter: the case of elephantiasis in rural Ghana

In rural Ghana, only 18% of patients believe elephantiasis is a disease. Some others think it is caused by curses or even rain. Only by understanding local beliefs can it be treated effectively.
The sum is greater than the parts when researchers build an ensemble from multiple coordinated but independent models. Matteo Chinazzi

Pooling multiple models during COVID-19 pandemic provided more reliable projections about an uncertain future

Policymakers rely on models during uncertain times to figure out how their choices could affect the future. Over the pandemic, an ensemble of many COVID-19 models outperformed any one alone.
The risk of dying from COVID-19 varies from person to person. Jasmin Merdan/Moment via Getty Images

If 1% of COVID-19 cases result in death, does that mean you have a 1% chance of dying if you catch it? A mathematician explains the difference between a population statistic and your personal risk

It’s not entirely accurate to say that you’re more likely to die in a car accident than in a plane crash. Chances are, you’re not the average person.
Wild birds like pelicans and ducks are getting infected with – and dying from – a new strain of avian influenza and have spread it to farm animals around the world. Klebher Vasquez/Anadolu Agency via Getty Images

What is spillover? Bird flu outbreak underscores need for early detection to prevent the next big pandemic

A biologist who studies how viruses spread from animals to people explains the process of spillover and the risks posed by the new bird flu that has spread across the globe.
Epigenetics is but one of many factors that influence aging, health and disease. bestdesigns/iStock via Getty Images

Epigenetic and social factors both predict aging and health – but new research suggests one might be stronger

People don’t all age at the same rate. Untangling the factors that influence health and disease – such as epigenetics, demographics and behavior – could lead to better care for those who need it most.
Even though chronic pain is recognized by scientists as a disease in its own right, it remains largely under-recognized, under-diagnosed and, above all, subject to many prejudices. (Shutterstock)

Chronic pain: An invisible disease whose sufferers are unfairly stigmatized

Although chronic pain is recognized by scientists as a disease in its own right, it remains largely under-recognized, under-diagnosed and, above all, associated with numerous prejudices.
Our guest on this episode has insights into long COVID both as a researcher and a patient. Jessica Felicio/Unsplash

Why isn’t anyone talking about who gets long COVID? — Podcast

Long COVID impacts one in every five people who’ve had the virus. In the U.S., early research shows people of colour are most likely to develop long COVID. It has been called a mass-disabling event.

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