Because they live in the gut, you can sometimes tell you have intestinal worms by looking at your stool. These parasitic worms are ... where they attach to the lining and gorge on blood. Threadworms ...

They found these obelisks in the gut, mouths, and even in human stool, from people on different continents. Many of these obelisks only loosely resembled each other, so there are likely different ...

Constipation can make stool harder and drier than usual, slowing the movement of stool within the body. Some people may have frequent but incomplete bowel movements. They may return to the ...

A new study shows that microplastics are making their way into human brains — with potentially dangerous effects on people’s health and mental acuity. A paper published Monday in Nature ...

New research has uncovered critical gaps in an emerging global public health tool for detecting environmental fecal ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Some great apes ...

A wide range of colors is usual. In infants, the main reasons for changes in stool color are age, diet, and health. The poop of newborns is almost black, while older infants tend to have yellow or ...

On January 14, hippies and other counterculture participants swarmed to the polo grounds in San Francisco’s Golden Gate Park in a gathering called the Human Be-In. Timothy Leary advised ...

A molar in Laos, a jawbone on the Tibetan Plateau, the fragment of a pinkie in Siberia.Our evolutionary history is now being rewritten by tiny discoveries illuminated by fast-advancing science ...