Even a mild case of COVID-19 or the flu can impact the body long after the fever and cough fade, according to new Tulane University research that may help explain why some people struggle to feel ...

Most people have put the COVID-19 pandemic behind them. Infections, vaccinations, or a combination of both have bolstered people's immunity, and while new variants continue to pop up, getting sick ...

The research team used electronic health records data to divide patients into four groups to track symptoms across different obesity levels.

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

After any coronavirus disease 2019 (COVID-19) illness, no matter how serious, some people report that symptoms stay for months. This lingering illness has often been called long COVID or post-COVID-19 ...

Researchers discover that COVID-19 uniquely causes brain inflammation and disrupts serotonin/dopamine pathways, explaining "brain fog" in Long COVID.

A new NYU Langone study suggests long COVID-19 may trigger Alzheimer’s-like brain changes, raising concerns about future ...

LOS ANGELES (KABC) -- February is a time we remind men and women not to ignore their heart health, but because of COVID-19, these reminders are more important than ever. Doctors say coronavirus can ...

Thanksgiving week is typically one of the biggest travel periods of the year, but winter holidays like Christmas, Hanukkah, Kwanzaa and New Year's Eve aren't that far behind—and all that traveling, ...