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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A whole lot more than just one genetic mutation determines whether and how disease develops. lvcandy/DigitalVision Vectors via ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by Emily’s Entourage in April 2025 shows Emily Kramer-Golinkoff, who has cystic fibrosis caused by a rare ...

Scientists have confirmed that there is something unique about ginger-hued domestic felines. In a new study, Stanford Medicine researchers have discovered the long-posited but elusive genetic mutation ...

Without 8 or 9 hours of sleep, most of us end up staggering around like zombies. But according to a new study, some people have a genetic mutation that makes them feel perfectly alive after sleeping ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A new study may ...

A man sits outside and holds a slim menthol cigarette between his fingers. Close-up with focus on the cigarette. The study provided a comprehensive examination of how lifestyle and environmental ...

An estimated 170,000 Australians were diagnosed with cancer in 2025. Many people know the causes of cancer are partly genetic. But how do your genes, which contribute so much of what makes you you, ...