Don't worry—it's perfectly normal.

HEALTH
The technology was invented by a 22-year-old who dropped out of college to run the company.
These nonprofits are making waves in the fight for equality.
Diabetes is ultimately a hormone problem—and the odds are pretty good that you know someone with the condition.
A study found lead and cadmium in more than 70 percent of the most popular protein brands on the market.
They're not as clean as you think.
Washing your hands to ward off infection is a surprisingly recent phenomenon.
Using spray cleaners even once a week can damage lungs. Here's how to lessen your risk.
As researchers work quickly to develop a vaccine for the new coronavirus, let's take a look at the different processes for creating life-saving vaccines for multiple diseases.