Vaccination

EU drug watchdog approves updated Pfizer Covid jab

The EU's drug watchdog on Wednesday approved an updated version of Pfizer and BioNTech's anti-Covid jab to counter an infectious subvariant of the virus as winter approaches.

Neuroscience

New research shows wildfire smoke impacts on the brain

Smoke from the massive wildfires still burning in northern Canada has cast a pall over much of North America this summer, leading to health concerns for older people and those with chronic respiratory conditions.

Diseases, Conditions, Syndromes

WHO, US health authorities tracking new Covid-19 variant

The World Health Organization and US health authorities said Friday they are closely monitoring a new variant of COVID-19, although the potential impact of BA.2.86 is currently unknown.

Neuroscience

Blood factor can turn back time in the aging brain

Platelets are behind the cognitive benefits of young blood, exercise and the longevity hormone klotho. In a remarkable convergence, scientists have discovered that the same blood factor is responsible for the cognitive enhancement ...

Diseases, Conditions, Syndromes

Key biological pathway reveals insights into long COVID brain fog

Researchers from University of New South Wales Sydney and St. Vincent's Hospital have identified a key pathway, involved in inflammation, which appears to be activated in people with long COVID who have symptoms of "brain ...

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