Checkpoint inhibitor drugs are a powerful immunotherapy, but they don't work for everyone. AI could better predict their benefit for an individual patient, according to new research by Dr. Luc Morris.

CAR T-cells are immune cells (blue) engineered to fight cancer cells (pink). Learn how researchers, including Dr. Karlo Perica, are working to make them more easily available to patients.

An essential mineral for health, selenium is sold in supplements to boost the immune system and prevent chronic disease. But there is no clear evidence it can prevent cancer.

Products with bloodroot, a perennial herb, are promoted as pastes and salves to treat skin cancer. But they can worsen the lesions and cause scarring.

Made by fermenting sweetened black tea and a culture of bacteria and yeasts, kombucha is promoted to treat diseases and boost the immune system. But there is no evidence that it can fight cancer.