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Does that claim hold up?

Browse direct answers to does questions, especially common claims that need a simple evidence-based explanation.

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Child eating a birthday cake surrounded by other kids at a party

The science is pretty clear on this one

Does Sugar Cause Hyperactivity?

Multiple controlled studies have found no link between sugar and hyperactivity in children. The belief persists anyway. Here is why, and what is actually happening.

sugarhyperactivity

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Close-up comparison of a young hand and an aged hand showing palm line differences

Biology of the Hand

Do Palm Lines Change Over Time? A Dermatologist's Answer

palmistrybiology

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Editorial illustration contrasting Homo sapiens and Neanderthal skulls with a DNA double helix

Human Evolution

Do Humans Have Neanderthal DNA?

humansneanderthals

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