A teacher who thought she was just stressed was diagnosed with a terrifying brain tumour after returning from Antarctica. Nicola Shaw, originally from Manchester , had just returned from a dream trip to Antarctica when she started getting a "tingling" in her left cheek. She brushed off the feeling until it began to spread to her nose, eye, and head. The 38-year-old alerted a doctor who advised her to get an MRI. But again, she assumed it was an "overreaction." Sadly, the testing detected a