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How does an observation become valid?
Bone Cancer
A type of cancer that originates in the cells of the bones, causing pain, swelling, and weakening of the affected bones.
Lung Cancer
A type of cancer that begins in the lungs, often associated with smoking, but can also occur in non-smokers due to exposure to radon, asbestos, or other factors.
Breast Cancer
A malignant tumor that develops from breast cells, one of the most common cancers among women.
Synergistic Effect
The combined effect of two or more variables that exceeds the sum of their individual effects.
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