Jane Goodall's cause of death has been revealed three weeks after she passed away .

According to her death certificate, obtained by TMZ , the chimpanzee expert and legendary activist died of cardiac arrest, also known as cardiopulmonary arrest.

Epilepsy was also listed as another notable health condition in the report.

Goodall died in her sleep on October 1, while on a speaking tour in California.

She was discovered in the morning in a private residence in Beverly Hills where she had been staying, per her death certificate.

Her death was confirmed in a statement released by The Jane Goodall Institute on social media.

"The Jane Goodall Institute has learned this morning, Wednesday, October 1, 2025, that Dr Jane Goodall DBE, UN Messenger of Peace and Founder

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