The gut lining of the human body is just one cell thick, not because it’s weak, but because it has to absorb nutrients with extreme precision. That...

The gut lining of the human body is just one cell thick, not because it’s weak, but because it has to absorb nutrients with extreme precision. That...

By Lauran Neergaard The Associated Press Our immune system has a dark side: It’s supposed to fight off invaders to keep us healthy. But...

By Lauran Neergaard The Associated Press Our immune system has a dark side: It’s supposed to fight off invaders to keep us healthy. But...

The tests have not been approved by federal regulators, but that hasn’t stopped patients from wanting them — and doctors from worrying.

The tests have not been approved by federal regulators, but that hasn’t stopped patients from wanting them — and doctors from worrying.

Pollutants can trigger inflammatory responses, alter gene expression in ways that facilitate viral entry into cells, and impair the ability of immune...

Pollutants can trigger inflammatory responses, alter gene expression in ways that facilitate viral entry into cells, and impair the ability of immune...

New results from a multicentre clinical trial show that combining immunotherapy drugs nivolumab and ipilimumab significantly improves treatment...

New results from a multicentre clinical trial show that combining immunotherapy drugs nivolumab and ipilimumab significantly improves treatment...