USA TODAY, the Nation's No. 1 Newspaper, reports that in the United States "about 19 million new [STD infections, other than AIDS] occur each year, about half in young people between ages 15… Read More →

Birds do it, bees do it, penguins do it, and orangutans do it. By having sex and giving birth to offspring, animals ensure that their species will survive into the next generation. And in… Read More →

Trillions and trillions of microbial cells live on and inside your body. A small number of these microbes are unhealthy germs. But most belong on your body and perform essential jobs.… Read More →

In the early 1980s, doctors sounded the alarm. A mysterious new disease—acquired immunodeficiency syndrome, or AIDS—was spreading around the world. While many of the first AIDS patients were… Read More →

Thousands of young people are diagnosed with Tourette Syndrome (TS) each year. TS is a disorder of the neurological system, causing uncontrollable sounds or movements called tics. TS peaks… Read More →

Two soccer players collide on the field. A soldier in Afghanistan is thrown to the ground during a bomb explosion. A teen has an accident while riding her bike—and she isn't wearing her… Read More →

One of the deadliest diseases healthcare workers fight today, tuberculosis (often called TB) infects the lungs of one-third of the world’s population and kills about 2 million people a year.… Read More →

Vaccines are biological substances that cause the human immune system to build up its defenses against specific diseases. Public health officials recommend a series of vaccines for all… Read More →

By some estimates, 25 percent of young people in the United States are either overweight or obese, a figure that has doubled in the last 30 years. In that time, the physical activities in our Read More →