CNN Health

Insect populations are declining precipitously worldwide due to pesticide use and other factors, with a potentially "catastrophic" effect on the planet, a study has warned.

It takes moxie to flip an unhealthy lifestyle to a healthy one -- particularly for folks over 60.

She's sitting in a crowded subway car, zipping through email messages on her phone and minding her own business when it appears: a photo of a man's penis.

Seven cases of mumps have been identified in an ICE facility in Houston, according to the Houston Health Department.

General Augusto Pinochet's authoritarian regime, in Chile from 1973 to 1990, was known for its kidnappings, imprisonments and torture. One prisoner remembers it all too well.

Pornography may soon be considered a public health crisis in Arizona -- depending on the fate of a resolution in the state.

Vaccinating, like all parenting decisions, is one that is made from a place of love and caring. A parent who chooses to vaccinate has their child's best interest at heart, as does a parent who chooses not to vaccinate.

Johnson & Johnson will become the first drug maker to include the price of a prescription drug in TV ads.

Does math give you trouble? Here's some encouragement: Despite their miniature brains, a new study says honeybees can learn basic arithmetic. If they can do it, so can you!

Although food is a necessity for all humans, how we eat typically varies significantly from person to person. And while our food preferences and dislikes help determine what we actually put into our mouths -- which ultimately influences our health -- more and more research points to lifestyle factors that can greatly affect both the quality and quantity of our diets.

By giving mosquitoes diet drugs, they could be prevented from biting humans and spreading deadly diseases, according to new research.

Foxxy Angel has been a sex worker in the Netherlands for 15 years and still loves what she does. However, though the profession is legal, sex workers across the country are fighting for change, matching a global sentiment for the job to recognized as just that: a job.

"People told me, 'You are changing me.' 'You are healing me,' " Emma Smith said.

Demand for measles vaccine has surged in the Washington county where the highly contagious virus is linked to more than 50 confirmed illnesses this year -- including among people who had previously shunned the shots.

David and Goliath? The US Food and Drug Administration is taking to task mega-retailers that are in violation of restrictions against the sale of tobacco products to minors. Commissioner Dr. Scott Gottlieb said Thursday that the FDA is evaluating data on large national retail chains to identify entities that have high rates of repeat violations.

At a young age, Darrius Simmons fell in love with the piano. As he watched others play, he was amazed by the joy the piano gave them. He wanted to experience that, too, but knew for him it would be a challenge.