There’s no link between fluoridated water and lower birth weights for newborns, a large-scale U.S. study has concluded.

The results refute allegations that community water fluoridation harms fetal development, researchers wrote Jan. 20 in JAMA Network Open.

“Our findings provide reassurance about the safety of co... Full Page

Americans might be severely divided these days, but  a new study says there’s one thing everyone agrees on.

Nearly 9 out of 10 U.S. adults view opioid overdose deaths as a very serious problem, with high agreement across the political spectrum, researchers reported in JAMA Network Open.

A majority of Americans are... Full Page

Ever notice how hard it is to stay sharp after a rough night of sleep? 

A recent study published in the journal Nature Neuroscience points to a surprising reason why: The brain may briefly shift into a sleep-like cleaning mode, even while you’re awake.

Researchers at the Massachusetts Institute of Technology (MIT)... Full Page

WEDNESDAY, Jan. 21, 2026 (HealthDay News)  — Why does a cold virus knock some people flat while others barely feel it?

A new study suggests the answer may come down to what happens inside your snoot.

Researchers found that how cells in the nasal passages respond to rhinovirus, the most common cause of a cold, helps decide ... Full Page

Women who breathe wildfire smoke during pregnancy, especially in late stages, may put their offspring at greater risk of autism, a new study of California births suggests.

Researchers found that exposure during the third trimester, when the fetus’ brain grows rapidly, was linked to a higher chance of an autism diagnosis in childhood.... Full Page

South Carolina’s fast-growing measles outbreak has now reached a major college campus, after health officials confirmed a case linked to Clemson University.

State health officials said a person affiliated with the university tested positive for the highly contagious virus, raising fears as the outbreak continues to spread across the ... Full Page