health-science

No credible scientific evidence shows that nose picking causes or directly indicates Alzheimer’s disease. Alzheimer’s is characterized by amyloid plaques and tau tangles, ty...

Advanced involutionary brain changes in young people refer to patterns of brain structure and function that appear earlier or more prominently than typical aging trajectories, i...

Naegleria fowleri, the organism called a brain-eating amoeba, causes primary amebic meningoencephalitis (PAM) by infecting the brain via the nose. Infections are extremely rare...

The phrase COVID-19 patient zero is often used to mean the first person infected with SARS-CoV-2, but in epidemiology it has a specific technical meaning and is frequently misun...

John F. Kennedy’s brain is not on public display and is not part of the National Archives’ preserved autopsy materials. Following his November 1963 autopsy at Bethesda Naval...

Missing microbes refers to the widespread loss of microbial diversity in human ecosystems and the natural environment, driven by changes in diet, hygiene, urbanization, and anti...

Dr. Robert Young is a controversial figure known for advocating alkaline diet and pH balance theories that link disease to acidity. This overview explains his background, core c...

Seasonal influenza vaccines are among the most studied vaccines worldwide, and decades of safety data show they are very safe. Reports of deaths after flu shots are rare, and in...

Laboratory and preliminary human studies have detected micro- and nanoplastics in testicular tissue and semen, with findings generally indicating presence rather than yet provin...

Conjoined triplets are a rare congenital condition in which a single fertilized egg splits incompletely after fertilization, resulting in three individuals who share some anatom...