
Julia Belluz
Freelance contributor
Latest articles by Julia Belluz


It’s not just the US outbreaks. Measles is making a global comeback.

Seven questions about declining sperm counts you were too afraid to ask.


The burden of the disease is shifting to younger generations — and puzzling researchers.


And cannabis dispensaries are marketing their products to pregnant women for morning sickness.




Is your favorite lotion killing off coral reefs?


Summer is the season for Lyme. Here’s how to protect yourself.


There’s one big reason measles is spreading: It’s way too easy to avoid vaccines.


The disease is spreading mostly among unvaccinated children, though adults may also be at risk.


In an unvaccinated population, one person with measles can infect 12 to 18 others.