new blood

Idioms  

1. Additional, fresh individuals regarded as an invigorating force, as in an organization. For example, The board could really use some new blood next year. This metaphoric expression, first recorded in 1853, alludes to a blood transfusion and employs new in the sense of “fresh.”

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new blood

Peptide drugs, on the other hand, are manufactured to last longer in the body to create a therapeutic response, such as controlling appetite or promoting the growth of new blood vessels, bone density or muscle.

From Salon ● Apr. 4, 2026

This protein helps tumors thrive by encouraging the formation of new blood vessels, preventing cancer cells from dying, and weakening immune cells that would otherwise help eliminate the cancer.

From Science Daily ● Jan. 22, 2026

But if there is to be new blood then who is in line?

From BBC ● Jan. 11, 2026

Now, with new blood infused by head coach Curt Cignetti and an offense led by Heisman Trophy winner Fernando Mendoza, the Hoosiers have turned the page and shattered expectations.

From Los Angeles Times ● Jan. 1, 2026

“Yes, I trust your abilities, but this year is all new blood, Judith. And I— Hold on a moment.”

From "Dumplin'" by Julie Murphy