Health Sciences 1001A/B Lecture Notes - Lecture 11: Screen Test, Passive Smoking, Sun Tanning
9 Sep 2013
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Abnormal and uncontrolled growth of cells: tumour a mass of cells with no physiological purpose. Benign tumour only dangerous if it interferes with other body functions. Malignant tumour cancerous, can spread to surround tissues (metastasis) 2nd leading cause of death in canada (following heart disease) 45% men and 40% women will have cancer in their lifetime. Aging populations: 89% of new cases diagnosed are > 55 years of age. Canadian cancer society (2009) report on young adults (ages 15-29) More females than males diagnosed with cancer but slightly more males than females die from cancer. Most common type of cancer in young women is breast cancer and in young men is testicular cancer. Most challenging in this group: unknown risk factors. Don"t know the warning signs: rare cancer types, aggressive progression, delayed diagnosis/treatment. Lack of knowledge when to seek care. Signs and symptoms: lumps in the body. E. g. neck, breast, testes: isolated pain, fatigue.
