The discovery that chronic inflammation is a cause of myriad illnesses could be this century's biggest medical breakthrough.

Immune cells can carry HIV into the brain, leading to problems with memory and cognition. Blocking other immune cells from the brain can make matters worse.

Vaccines teach the body to fight disease. We still have a lot to learn about how long that immune

Alt: a man in a suit and tie is saying `` i have no words '' .

The scientific community must take a strong and active stand against vaccine revisionism — the false narrative that there is insufficient evidence to support the safety and efficacy of vaccines.

Alt: meme - a woman in a purple jacket is holding a fish in a plastic bag .

With falling vaccination rates and outbreaks that have caused more than 580 U.S. cases and at least two deaths, health experts expect hundreds or even thousands more to be infected in the coming month...

An infection can also leave children and adults with other long-term health problems.

But really, don’t get too worried.

The universal language of science allows nations to reach a mutual understanding of shared problems. But that requires politicians not to meddle in how science is done.