Jesse Eisenberg is voluntarily planning to donate one of his kidneys to a complete stranger in less than two months.

“I’m actually donating my kidney in six weeks. I really am,” Eisenberg, 42, said on the Thursday, October 30, episode of the Today show, after helping the morning show set up its blood drive. “I don’t know why. I got bitten by the blood donation bug [and] I love it. I’m doing an altruistic donation [in] mid-December. I’m so excited to do it.”

Organs donated altruistically come from individuals who make nondirected donations to recipients they don’t know, according to the Mayo Clinic. (Other organ donations are transplanted from a relative or a person with the same blood type matched via a universal registry.)

“It’s essentially risk-free and so needed,” the Now You See Me:

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