Immune System

The mysterious inner workings of Chang Shan – a Chinese herbal medicine used for thousands of years to treat fevers associated with malaria – have been...

Scientists are trying to unravel a medical mystery involving a new type of coronavirus, which come from that same large family of viruses that...

Exposure to school-age children raises the odds that a person with lung disease who catches a cold will actually suffer symptoms like a runny...

Despite a name straight from a Tarantino movie, natural killer (NK) cells are your allies when it comes to fighting infections and cancer. If...

Why do some folks who take every precaution still get the flu, while others never even get the sniffles? It comes down to a person's...

In a new Mayo Clinic study, researchers found that more than one-third of chronic cough patients given a CT scan had sinusitis, inflammation of the sinuses. Findings will be presented at the American College of Chest Physicians CHEST 2005 meeting in Montreal. "This study suggests that sinusitis is more common than...

Throughout the interior spaces of humans and other warm-blooded creatures is a special type of tissue known as brown fat, which may hold the secret to diets and weight-loss programs of the future.

Rice University researchers have settled a long-standing controversy over the mechanism by which silver nanoparticles, the most widely used nanomaterial in the world, kill bacteria. Their work comes with a Nietzsche-esque warning: Use enough. If you don't kill them, you make them stronger.

A preliminary study by a New Zealand company, Plant & Food Research,* shows that natural chemicals from blackcurrants may help breathing in some types of asthma. Researchers found a compound from a New Zealand blackcurrant may reduce lung inflammation with a multi-action assault in allergy-induced asthma.

Bacteria can talk to each other via molecules they themselves produce. The phenomenon is called quorum sensing, and is important when an infection propagates. Now, researchers at Linköping University in Sweden are showing how bacteria control processes in human cells the same way.

A new way to fight inflammation uses molecules called polymers to mop up the debris of damaged cells before the immune system becomes abnormally...

For the past century, changes in the Western diet have altered the consumption of omega-6 fatty acids (w6, found in meat and vegetable oils)...