Journal of Epidemiology and Community Health (JECH)

Guide to recent advances in difference-in-differences methodology for population health studies

Background Difference-in-differences is a method commonly used in population health research. It is based on assumptions that ...
NPR

Sources & Methods

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...
Healthline

What’s the Difference Between Sweet Potatoes and Potatoes?

Both types of potatoes are rich in fiber, carbs, and vitamins B6 and C. Regular potatoes are higher in potassium, while sweet potatoes provide much more vitamin A. Sweet and regular potatoes are both ...
Reader's Digest

The Declaration of Independence vs. the Constitution: What’s the Difference?

One sparks a revolution, while the other structures a nation. Do you know the difference between the Declaration of Independence and the Constitution? Packed with history and visionary ideas (and even ...
Nature

Computational methods articles from across Nature Portfolio

Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation. A computational model can be used to make predictions of the ...
Healthline

What’s the Difference Between Dates and Figs?

Figs and dates are both sweet fruits with similar nutrition profiles, but figs are higher in calcium while dates are lower in fat and sweeter. They also have different textures — figs are crunchy and ...