Where you live shapes your immune system more than your genes

Like fingerprints, immune systems vary from person to person. And although we all inherit a unique set of genes that help us respond to infections, recent studies have found that our history and environment–like where and with whom we live–are responsible for 60% to 80% of the differences between individual immune systems, while genetics account for the rest….

Like fingerprints, immune systems vary from person to person. And although we all inherit a unique set of genes that help us respond to infections, recent studies have found that our history and environment–like where and with whom we live–are responsible for 60% to 80% of the differences between individual immune systems, while genetics account for the rest….