You don’t twice before squeezing a lemon into your drink while you’re dining out, but you might want to.

HEALTH
From eradicating smallpox to battling the COVID-19 pandemic, these vaccine pioneers have helped make colossal strides in public health.
Let’s take a look at the different processes for creating life-saving vaccines for multiple diseases.
The Apgar test has rescued countless infants, but people are often surprised to discover Virginia Apgar was a real person.
Two of Roald Dahl’s books are dedicated to his daughter, Olivia, who died from measles complications in 1962.
Millions of Americans will say “no” to booze this month—all thanks to one British woman who decided to swear off alcohol as she prepped to run a half-marathon.
How much water should you really drink a day? Well, it’s complicated.
New Year’s resolutions have a habit of being broken more than any other goals. This year, arm yourself with the best methods for making your resolutions a reality.
Hypochondriacs beware.
From blue balls to broken hymens, there’s a lot people don’t understand about sex.
Toilet paper and toothpaste have come a long, long way.
Aging might seem scary, but you probably don’t have all of the facts.
Data shows which states struggle the most during the winter—and on the flip side, which struggle the least.
Breaking down a common belief and what you should know before trying it.
There are a lot of myths and misunderstandings about menstruation. But it’s important to parse out what’s true and what’s a lie.
You wouldn’t think twice about these everyday habits and activities, but they weren’t always the norm.