Learn how MTHFR mutations are linked to migraine with aura and why the science on treatments like methylfolate remains mixed.

The common wisdom about catching a virus is that in a few days—a few weeks, tops—everything will be back to normal. And in many cases, that’s true. But as the flood of Long COVID cases during the ...

A new COVID variant – dubbed Cicada – is being monitored by the Centers for Disease Control and the World Health Organization. First detected in 2024 in South Africa, Cicada, officially known as ...

Studies are showing that the inflammatory condition can impact organs across the body, not just those involved in reproduction. Many people with the most severe forms of endometriosis undergo excision ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A new COVID variant known as BA.3.2 has been detected across 25 U.S. states and may make immunity from vaccines or past ...

For many people, the COVID-19 pandemic feels like a distant memory. In reality, the SARS‑CoV‑2 coronavirus is still spreading widely across the globe and continues to evolve into new variants.

A new, highly mutated COVID-19 strain nicknamed "Cicada" has been detected by the CDC. Though its spread is currently limited, expert warn the strain could drive a summer surge. Symptoms of Cicada are ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Less common and not as well known as non-Hodgkin lymphoma, classic Hodgkin lymphoma is another of the main types of lymphoma, or cancer that develops in the lymphatic system. While symptoms tend to be ...

It’s that time of year again — the stretch where it feels like everyone you know is ill. Even as we move into spring, the usual wave of 'winter' bugs doesn’t seem to be letting up. Offices are still ...