Tinnitus causes ringing, buzzing, or pulsating sounds in the ears. Learn about its causes, symptoms, diagnosis methods, and effective treatment options. Tinnitus is a common yet frequently unsettling experience in which a person hears sounds no one...

A strange optical illusion makes people see a black hole grow larger, but not everyone experiences it the same way. Scientists are still puzzled. Psychologists have been investigating a powerful optical effect known as the “expanding hole” illusion....

Russian scientists report a breakthrough cancer vaccine that targets colon cancer, offering hope for safer, more effective treatments. Russian researchers have announced the development of a vaccine designed to treat colon cancer, also known as...

As COVID 2025 cases rise across the U.S. and vaccine access varies by state, physicians warn of confusion-driven hesitancy, threats to infants, and potential hospital overcrowding this winter. The U.S. Food and Drug Administration now limits COVID 2025...

We usually dismiss bad dreams as harmless, but new research shows nightmares may signal early dementia risk, especially in men. In three population cohorts spanning midlife to late life, researchers linked weekly distressing dreams to roughly a...

New research reveals that normal menstrual-cycle hormone fluctuations are linked to rapid, measurable changes in white and gray matter across the entire brain, highlighting the brain’s dynamic response to endocrine rhythms. The human brain is not a...

From ancient Greece to modern hospitals, the Hippocratic Oath remains the enduring moral compass of medicine, a solemn promise that binds every physician to heal, to serve humanity, and above all, to do no harm. The Hippocratic Oath is one of the most...

A comprehensive guide explaining how clinical audit ensures accuracy, reliability, and continuous quality improvement in laboratory medicine. Clinical audit is a systematic, structured, and critical examination of laboratory practices, policies, and...

A heavy, rusty “rock” found in an Australian goldfield turned out be something far rarer than gold: a meteorite that preserves untouched material from the early solar system. The Maryborough meteor is one of the most intriguing space rocks found in...

A new large-scale analysis finds that multilingual experience is linked with slower biobehavioural ageing, with each extra language adding measurable protection for thinking skills in later life. Ageing affects every person, yet the rate at which our...

Recent research with thousands of women uncovers three distinct anal touch techniques that many find pleasurable, challenging taboos and reshaping how we think about sexual enjoyment. When people talk about anal sex, the focus is often on pain, fear,...

A new study uncovers small genomic regions that allow cancer’s circular DNA to attach to chromosomes during cell division, ensuring the survival of powerful oncogene copies. Cancer rewrites the rules of biology in ways that often surprise even...

Bee venom, best known for a painful sting, is now drawing attention for a very different reason, its key compound may rapidly kill certain hard to treat breast cancer cells and boost the effects of existing drugs. Most of us think of bee venom as a...

A major 2025 review from the UK looks closely at how blood sugar and insulin affect the brain, explaining why diabetes and insulin resistance are linked to memory loss and dementia risk. Around the world, more people are living with type 2 diabetes and...

Researchers have taken a major step toward making kidneys compatible with any blood type, a development that could dramatically shorten transplant waiting lists and save thousands of lives. For people living with kidney failure, time often feels like...

A 12-week study tracking daily mental performance finds that subtle shifts in cognitive precision can predict whether we follow through on our goals, with effects comparable to nearly an extra hour of effort. Most people recognize the pattern. There...

Laboratory tests show one of Earth’s toughest organisms can withstand pressures similar to asteroid ejection from Mars, reshaping debates about how life might travel between worlds. For centuries, scientists and philosophers have wondered whether life...

A second pregnancy does not simply repeat the brain changes seen during the first. New MRI research shows the brain undergoes a different pattern of adaptation, possibly helping mothers respond to the demands of caring for more than one child....

New neuroscience research suggests deep sleep may suppress the abnormal brain activity linked to tinnitus, offering clues to why ringing ears and poor sleep often appear together. For millions of people, the world never truly becomes silent. Even in...

A two‑decade mouse cloning study reveals hidden genetic damage, highlighting a biological limit that forces scientists to confront cloning’s constraints. Researchers at Japan’s University of Yamanashi spent two decades repeatedly cloning the same mouse...