New research has discovered an important breakthrough that may overcome cancer treatment resistance. The immune system has a naturally occurring brake that tells the body to silence key killer immune cells called CD8+ T-cells as a safeguard to restrain excessive immune responses. Cancer cells are known to exploit this process, called exhaustion, by hijacking the immune system at this off-switch to dampen down the immune attack on cancer, enabling cancer growth.
Southern New Hampshire election officials and poll workers say they are ready for their close-ups with the spotlight on them for the first-in-the-nation presidential primary on Tuesday.
New Hampshire hosts public vote-counting demonstration to combat disinformation nbcnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nbcnews.com Daily Mail and Mail on Sunday newspapers.