The most common Lyme disease symptom is a rash that can sometimes take a bulls-eye shape. Other symptoms include fever, ...

PCOS can go undiagnosed in as many as 75% of cases, but some telltale signs are irregular periods, excess hair growth, and ...

Cardiovascular disease experts propose a new approach to treating heart disease, focusing on atherosclerosis prevention and ...

As of October 2025, the predominant covid-19 strains circulating are the Omicron subvariants XFG, known as "Stratus," and NB.

Many respiratory viruses ... can cause cold-like symptoms,” health officials say, but some are more dangerous than others.

The World Health Organisation has confirmed the new Covid strains - and there are two main symptoms to look out for ...

Attorneys suing the Detroit Medical Center’s (DMC) Sinai-Grace Hospital after a nurse was arrested for allegedly sexually ...

It's fall, y'all, and you know what that means—temperatures and leaves drop, football season is in full swing, pumpkin spice everything takes over your senses...and COVID-19 is likely to run rampant ...

As the weather begins to change and respiratory illnesses become more common, a highly transmissible strain of COVID-19 is on ...

In TODAY.com's Expert Tip of the Day, a cardiologist reveals the unusual warning signs that accompanied his heart attack.

Professor Elliot Long explains why sepsis in children is difficult to diagnose, with nearly 10% of cases missed in emergency ...

A practical look at the challenges of diagnosing and managing feline hyperthyroidism, from misleading symptoms to complex ...