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 ...

The central theme of this Review is how the respiratory immune system maintains a strong defence against incoming pathogens, while avoiding the pathogenic consequences of inappropriate responses to ...

Using 21 st century diagnostics to overcome barriers for lung function testing in primary care: it is time to consider oscillometry Obstructive airways diseases, including asthma and COPD as the most ...

Older adults may not have classic urinary tract infection (UTI) symptoms like burning or frequent urination, and may instead show confusion, lethargy, or falls. Urinary tract infection (UTI) risk ...

Feb. 16, 2026 A parasite that may already be hiding in your brain has a shocking survival trick: it can infect the very immune cells sent to destroy it. Yet most people never get sick, and new ...

Some evidence suggests that increasing your vitamin C intake could protect against UTIs. Vitamin C is thought to work by increasing the acidity of urine, killing off the bacteria that cause infection.

The immune system is a complex network that finds pathogens, removes damaged cells, and launches immune responses to protect the body from infection. White blood cells drive this defense: phagocytes ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...