18. Changes in a mole
A mole is usually tan, brown, or dark brown, and is pretty consistent in shape. Keep an eye out for changes in size, colour as it may be melanoma.
19. Everyone gets headaches but be careful when the pain feels different.
Headaches for someone who has a brain tumour is usually accompanied by other symptoms like dizziness, nausea, and vomiting. This can be followed by seizures, problems with peripheral vision, weakened limbs, and difficulty speaking, and being understood.