Final answer:
An overdose of Meth can result in blue fingernails and lips.
Step-by-step explanation:
If a person overdoses on Meth, it can cause a condition called methemoglobinemia. Methemoglobinemia reduces the oxygen-carrying capacity of blood, giving a bluish tint to the skin and lips. This can appear as blue fingernails and lips. It is a serious medical emergency and requires immediate medical attention.
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