Bronchitis is an infection of the tubes that lead to the lungs. It can be acute or chronic. Symptoms include a cough and wheezing. Smoking is a major risk factor. Find out more.

Guillain-Barre syndrome is a rare but serious condition which needs urgent treatment in hospital to prevent it progressing.

Symptoms of RA vary and progress over weeks or months, often starting subtly on both sides of the body. Early RA symptoms include tenderness, pain, fatigue, and weakness, while later stages bring ...

Many everyday symptoms are inconsequential. You have a poor night’s sleep to thank for your bloodshot eyes, or a new lotion ...

In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.

Appendicitis symptoms can vary, but the first sign is often a severe, sudden abdominal pain that starts near the belly button and shifts to the lower right side. This pain can be intensified by ...

The World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat ...

From bloodshot eyes to swollen fingers, these seemingly innocent symptoms could signal something more serious, like a blood disorder or an autoimmune disease.

Once again, a new strain of COVID has hit the country, and that includes Rhode Island. According to the Centers for Disease ...

Trained immunity in alveolar macrophages can lead to damaging lung inflammation, confirming the importance of context in this phenomenon.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.