Medical Xpress news

Colorectal cancer used to be associated with old age, but diagnoses have become increasingly common in adults aged 50 or younger particularly in high-income countries like the United States. The reason for this trend is unclear, ...

Sunlight is vital for human health as it helps the body produce essential nutrients, such as vitamin D. However, too much sun exposure can significantly increase the risk of skin cancer.

In the brain, highly specific connections called synapses link nerve cells and transmit electrical signals in a targeted manner. Despite decades of research, how synapses form during brain development is still not fully understood.

Researchers have uncovered and then overcome an obstacle that has led to the failure of pioneering efforts in xenotransplantation, in which an animal kidney is transplanted into a human.

A new study demonstrates that many regular marijuana users exceed legal blood cannabis limits for U.S. drivers despite showing no evidence of impairment.

After years of work, cognition and neuroscience doctoral student Hailey Welch is—for the first time—the lead author of a study published in an academic journal, a paper appearing in Cell Reports, which examined the role ...

The immune system faces a delicate balancing act: It must be aggressive enough to fight infections and cancer, yet restrained enough to avoid attacking the body's own tissues.

New research shows that it's possible to end the practice of using people as human bait to catch and test the black flies that spread river blindness (onchocerciasis). The study by international non‐profit Sightsavers in ...

Degenerative joint diseases like osteoarthritis and intervertebral disk degeneration are conditions that affect millions of people worldwide, leading to pain and reduced mobility. These diseases remain incurable because current ...

When we listen to a moving piece of music or feel the gentle pulse of a haptic vibration, our bodies react before we consciously register the feeling. The heart may quicken and palms may sweat, resulting in subtle electrical ...

Old laboratory mice develop substantially fewer and less-aggressive lung tumors than younger animals in a new study led by Stanford University researchers. The discovery flies in the face of established dogma that holds that ...

One of the biggest concerns with upper respiratory tract infections, like the common cold or a nasal infection, is the potential for more serious deep lung secondary infections, like pneumonia. If these secondary infections ...