You may already have some protection from bird flu, but don’t count on it
Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.
Author: Tina Hesman Saey
U.S. FDA may nix black box warning on some menopause estrogen treatments
Experts worry the warning on vaginal estrogen menopause treatments is doing more harm than good and is not supported by science.
Protein signatures may one day tell brain diseases apart before symptoms
Blood tests could pave the way for distinguishing between Alzheimer’s, Parkinson’s and some dementias, aiding early treatment for brain diseases.
As bird flu evolves, keeping it out of farm flocks is getting harder
New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.
Vaccine policy in the U.S. is entering uncharted territory
A key advisory group vows to base decisions on evidence, boost confidence in vaccines and protect health. Experts fear the opposite is happening.
Many U.S. babies may lack gut bacteria that train their immune systems
Too little Bifidobacterium, used to digest breast milk, in babies’ gut microbiomes can increase their risk of developing allergies and asthma.