One in five has a mutation that provides superior resilience to cold
Almost one in five people lacks the protein alpha-actinin-3 in their muscle fiber. Researchers now show that more of the skeletal muscle of these individuals comprises slow-twitch muscle fibers, which are more durable and energy-efficient and provide better tolerance to low temperatures than fast-twitch muscle fibers.
Read Original Article: One in five has a mutation that provides superior resilience to cold »
