Braces, rubber bands, even jaw surgery—millions endure them in pursuit of a straighter smile. But were misaligned smiles always this common? Research suggests that might not be the case. While malocclusions—crowded or misaligned teeth—have been found among our hunter-gatherer ancestors, they appear to be more prevalent in modern populations. So what changed? Experts say the answer isn’t simple but point …
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More than 37,000 years of infectious diseases in humans have been mapped by scientists, with academics pointing to one particular behaviour from our ancestors as playing a “key role” in their spread. Involving researchers linked to British; Danish; Swedish; German; Italian, and Australian universities, the study saw them analyse DNA from more than 1,300 prehistoric humans dating back as far …
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Significant brain defects known as Chiari malformations could be down the genes some of us have inherited from Neanderthals, according to a new study, causing a mismatch between brain shape and skull shape. The study focuses on Chiari malformation type I (CM-I), where the lower part of the brain extends too far into the spinal cord – typically linked to …
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Significant brain defects known as Chiari malformations could be down the genes some of us have inherited from Neanderthals, according to a new study, causing a mismatch between brain shape and skull shape. The study focuses on Chiari malformation type I (CM-I), where the lower part of the brain extends too far into the spinal cord – typically linked to …
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