New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Hepatitis B

Originally known as serum hepatitis, hepatitis B has only been recognized as such since World War II, and has caused current epidemics in parts of Asia and Africa.

Related Stories
 


Health & Medicine News

September 3, 2025

Metformin, the world’s most widely used diabetes drug, has long been recognized for its surprising range of benefits beyond lowering blood sugar, from reducing inflammation to lowering cancer risk. Yet its exact mechanism has remained unclear for ...
Overactivation of dopamine neurons may directly drive their death, explaining why movement-controlling brain cells degenerate in Parkinson’s. Mice with chronically stimulated neurons showed the same selective damage seen in patients, along with ...
Scientists have decoded the 3D structure of an ancient viral protein hidden in our DNA. The HERV-K Env protein, found on cancer and autoimmune cells, has a unique shape that could unlock new diagnostics and ...
Scientists at the University of Pennsylvania have shown for the first time that it’s possible to detect dormant cancer cells in breast cancer survivors and eliminate them with repurposed drugs, potentially preventing recurrence. In a clinical ...
Virginia Tech researchers are investigating how overloaded mitochondria in the brain’s memory circuits may spark early Alzheimer’s damage. Their work focuses on calcium signaling and how it might trigger breakdowns in the entorhinal ...
A long-term study following insomnia patients treated with cannabis-based medical products revealed sustained improvements in sleep quality, mood, and pain management over 18 months. Most participants reported better rest and less anxiety or ...
High-ventilation breathwork with music can evoke psychedelic-like states, shifting blood flow in the brain and reducing negative emotions. Participants experienced unity and bliss, pointing to a natural therapeutic tool with powerful ...
Once a universal feature of human psychology, the “unhappiness hump” in midlife has disappeared, replaced by a new trend: mental health is worst in youth and improves with age. Data from the U.S., U.K., and dozens of countries suggest today’s ...
Japanese scientists have developed ADRIANA, a non-opioid painkiller that could provide powerful relief without the dangers of addiction. With successful trials already completed, large U.S. studies are now underway, raising hopes for a safer future ...
A sweeping review of nearly 100 studies has raised concerns about the mental health impacts of high-potency cannabis products. Researchers found strong links to psychosis, schizophrenia, and cannabis use disorder, while results for anxiety and ...
Scientists are racing to improve weight loss treatments beyond drugs like Ozempic and Wegovy, which are effective but plagued by nausea, bone loss, and weight regain. Tufts University chemists have created a new multi-target compound that goes ...
Researchers have uncovered why smell often fades early in Alzheimer’s: the brain’s immune cells dismantle key nerve connections between the olfactory bulb and brainstem. Membrane changes in neurons send an “eat-me” signal to microglia, which ...

Latest Headlines

updated 12:56 pm ET