Cancer

1. Skin

1.1. sun

1.2. tanning

1.2.1. tanning beds

1.3. not wearing sunscreen

2. Lung

2.1. smoking

2.1.1. long term

2.1.2. short term

2.1.3. causing other cancers?

2.2. are there other causes to lung cancer?

2.3. Do you have a higher chance of getting lung cancer by smoking cigars rather than cigarettes or being a non smoker?

3. Breast

3.1. why are the causes of breast cancer unknown while other cancers have several known causes?

3.2. Could not knowing a specific cause effect treatment?

4. Ovarian

4.1. polycystic ovary syndrome

4.2. 5 year survival rate is only 46%

4.2.1. if the cancer is found early then the 5 year survival rate is raised to 94%

4.3. 8th most common cancer among women