Medically reviewed by Robert Burakoff, MD Key Takeaways Constipation can cause rectal pressure, and making lifestyle changes ...

One of the primary differences between anal and rectal cancer is what causes them. Anal cancers are strongly associated with HPV and HIV infections, while rectal cancers are often linked to genetic ...

Hemorrhoids and anal cancer can share some symptoms, but they have distinct characteristics that can help you tell them apart. Hemorrhoids are swollen blood vessels in the anus or rectum. Symptoms ...

Scientists have been puzzling for decades over how the Australian bare-nosed wombat poops out neat little cubes of feces instead of tapered cylinders like pretty much every other animal. According to ...

While hemorrhoids, colorectal cancer, and anal cancer can all cause rectal bleeding, there are differences. Hemorrhoid ...

The small and large intestines are a vital part of the human digestive system. The length of the small intestine is roughly 9–16 feet (ft), while the large intestine is shorter, measuring around 5 ft ...

Anal cancer is often linked to HPV, with squamous cell carcinoma being the most common type. Diagnosis involves exams, ...

Whether it's reversible anuses or exploding intestines, the natural world proves that internal body parts shouldn't always ...