Can dogs help us understand why some people live longer?

Can dogs help us understand why some people live longer

Why do some individuals remain healthy into old age while others develop multiple diseases decades earlier? The answer may be hiding somewhere unexpected: our dogs. Scientists increasingly see companion dogs as valuable models for understanding human aging. Unlike laboratory animals raised under highly controlled conditions, pet dogs live in the …

Read More

How human genes adapted to changing diets: The evolutionary science of food

How human genes adapted to changing diets

Human diets have changed dramatically throughout evolution. Our ancestors moved from hunting and gathering to farming, began consuming more grains and dairy, developed new food-processing methods, and adapted to environments ranging from tropical forests to the Arctic. Surprisingly, some of these dietary changes may have left measurable signatures in our …

Read More