#Small fish populations accumulate harmful mutations that shorten lifespan
“#Small fish populations accumulate harmful mutations that shorten lifespan” Credit: CC0 Public Domain Population bottlenecks contribute to the accumulation of several harmful mutations that cause age-related illnesses in killifish—a finding that may help answer a key question about aging. The study, published today in eLife, reveals why killifish accumulate harmful mutations that cause age-related conditions…