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Formal Operations
The final stage in Piaget's theory of cognitive development, starting around age 12, where individuals develop the ability to think abstractly, logically, and systematically.
Heart Defects
Abnormalities present at birth that affect the structure and function of the heart.
Rubella
A contagious viral infection known as German measles, characterized by a distinctive red rash, often mild in children but can cause serious congenital defects if contracted by pregnant women.
Syphilis
A sexually transmitted disease caused by the bacterium Treponema pallidum, characterized by distinct stages and potentially serious long-term consequences if untreated.
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