Cancer treatments called immune checkpoint inhibitors (ICIs) have changed how doctors treat cancer. These drugs work by helping a person’s immune...

A group of cytotoxic T cells surrounding a cancer cell. Credit: NIH / Flickr / Public domain Human immune systems do not function in the same way...

A group of cytotoxic T cells surrounding a cancer cell. Credit: NIH / Flickr / Public domain Human immune systems do not function in the same way...

Successful infection often depends on a pathogen’s ability to evade host immune cell detection through stealthy mechanisms. After a person inhales...

Successful infection often depends on a pathogen’s ability to evade host immune cell detection through stealthy mechanisms. After a person inhales...

Secondhand smoke from even one cigarette harms nearly every organ in a nonsmoker's body, increasing the risk of heart attack and stroke. This...

(BPT) - Winter is prime time for coughs, colds and the flu, but a little planning can go a long way. Samantha Picking, Walgreens pharmacist and Senior...

(BPT) - Winter is prime time for coughs, colds and the flu, but a little planning can go a long way. Samantha Picking, Walgreens pharmacist and Senior...

(BPT) - Winter is prime time for coughs, colds and the flu, but a little planning can go a long way. Samantha Picking, Walgreens pharmacist and Senior...

(BPT) - Winter is prime time for coughs, colds and the flu, but a little planning can go a long way. Samantha Picking, Walgreens pharmacist and Senior...