Some lucky people have rare genetic mutations that enable them to feel well-rested after just four hours of sleep, while the rest of us need around eight hours to function. Now, researchers have ...

Experiments on an ultra-rare genetic mutation that causes neurodegeneration in children have helped uncover a new mechanism by which brain cells die. A team led by scientists at the German research ...

A vanishingly rare genetic glitch in a single enzyme can erase a newborn’s brain cells in a matter of weeks, leaving doctors with almost no way to intervene. Researchers have now traced that ...

Researchers have identified specific genes containing rare mutations that significantly increase the likelihood of developing attention deficit hyperactivity disorder. These findings, published in the ...

Researchers identified a new genetic mutation that may allow some people to survive, even thrive, on three hours of sleep. The mutation is called SIK3-N783Y. Scientists said mice test subjects ...

The sperm of a man carrying a rare genetic mutation linked to cancer was used to conceive scores of children across Europe, prompting calls for greater regulation and a limit on the number of births ...

Watch: Sperm Donor With Rare Mutation Linked to Cancer Sparks Debate After Fathering 67 Kids A sperm donor with a rare genetic mutation linked to cancer is sparking debate about regulation of the ...