1+ day, 6+ hour ago   (572+ words) Widely used osteoporosis drugs were associated with a lower risk of Alzheimer’s disease and related dementias in a study of more than 120,000 older adults. A medication already prescribed to protect aging bones may have an unexpected second benefit. In a…...

3+ day, 18+ hour ago   (429+ words) New findings raise questions about the role of microbes living in the lungs. More than 35 trillion bacteria live throughout the human body, forming microbiomes in the gut, mouth, lungs, skin, and urogenital tract. Researchers increasingly recognize that these microbial communities…...

5+ day, 6+ hour ago   (714+ words) Australian researchers have identified a promising new approach that could help stop one of the most aggressive forms of breast cancer from spreading. Triple-negative breast cancer becomes especially dangerous once tumor cells escape the breast and establish themselves elsewhere in…...

5+ day, 20+ hour ago   (501+ words) Cluster headache causes extreme pain, but its origins remain unclear. New research links the disorder to genetics, inflammation, and tobacco smoke exposure. Unlike an ordinary headache, a cluster attack typically erupts without warning and causes excruciating pain around one eye....

1+ week, 4+ day ago   (22+ words) Oral antihistamines are commonly used to relieve eczema symptoms, but new research from McMaster University found that they provide only limited benefit....

1+ week, 5+ day ago   (351+ words) Scientists found that phages, viruses that infect bacteria, trigger widespread protein modifications inside host cells that help them evade bacterial immune defenses....

1+ week, 6+ day ago   (840+ words) P2RX7 may be linked to severe suicidal thoughts and recovery, but researchers still need to confirm the pattern in living people. Severe suicidal thoughts may leave a detectable biological signal in the brain, and that signal could also change when people…...

2+ week, 1+ day ago   (452+ words) Age-related oligodendrocyte dysfunction may contribute to cognitive decline by disrupting myelin and large nerve fibers. Myelin is essential for fast communication in the brain, forming a protective coating around nerve fibers so electrical signals can travel efficiently. But the cells…...

2+ week, 2+ day ago   (604+ words) Researchers identified a promising approach to slowing treatment-resistant prostate cancer by targeting two key cancer pathways at the same time. Prostate cancer is diagnosed in about one in eight men during their lifetime. Many survive the disease, but for some,…...

2+ week, 2+ day ago   (343+ words) Improved fitness did not prevent prolonged sitting from impairing blood-vessel function in the legs. Long hours of sitting are often treated as something a good workout can offset. But new research from Dalhousie University suggests the cardiovascular effects of prolonged…...