New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn a deadly pathogen into a harmless bug or supercharge a relatively benign ...

Signs of mold toxicity mirror symptoms of common health nuisances...but a nationally recognized mold remediator says exposure ...

“Your blood count is dangerously low,” the doctor said over the phone. “I’m sending an ambulance to take you to the hospital ...

Common cold symptoms tend to affect the upper airways, like the nose, head, and throat. Learn how symptoms progress with a ...

Most cases of nocardiosis start out as lung infections, in which pus-filled cavities, or abscesses containing the bacteria, form in the lungs. This can cause symptoms such as chest pain, a cough ...

The onset of type 2 diabetes can be gradual, and symptoms can be mild during the early stages. As a result, many people may not realize that they have this condition. Possible early signs may ...

The Oropouche virus has been linked to Zika-like outcomes in pregnant people, with cases more than doubling in 2024 ...

Stress and some conditions can increase cortisol levels. High cortisol can cause symptoms such as weight gain, acne, and fatigue. Doctors may refer to high cortisol as Cushing syndrome or ...

This word has appeared in 26 articles on NYTimes.com in the past year. Can you use it in a sentence? By The Learning Network This word has appeared in five articles on NYTimes.com in the past year ...

It's also possible they might have all these behaviors or a mix of these. ADHD symptoms usually show up when children are young — around school age. But you might notice them much earlier.

Narcissism is extreme self-involvement to the point where a person ignores the needs of those around them. While anyone may have narcissistic behavior once in a while, true narcissists often ...