Kate Middleton undergoing preventive chemotherapy, which can leave patients 'wiped out'

Cancer specialists say preventive chemotherapy can take a toll on the human body, which likely explains the Princess of Wales' weekslong absence from the public eye.

Kate Middleton undergoing preventive chemotherapy, which can leave patients 'wiped out'
Cancer specialists say preventive chemotherapy can take a toll on the human body, which likely explains the Princess of Wales' weekslong absence from the public eye.