According to the American Cancer Society (ACS), the chances of a person developing malignant brain cancer is less than 1 percent. And while brain cancer is rare, its symptoms can often be confused with other, benign conditions.
Some symptoms can worsen over time:
Or they can occur suddenly:
Other symptoms may include speech problems and tingling or numbness in various body parts; these symptoms often depend on the region of the brain where the tumor is developing. The ACS recommends individuals presenting with any of the above symptoms consult a physician as soon as possible–especially if they persist or worsen with time.