Diabetics in Britain worry a no-deal Brexit could put their lives at risk

The Road Haulage Association, a transport industry body, has warned of “disastrous queues at ports” if Britain doesn’t exit smoothly with a deal. For those who rely on lifesaving medicines, the thought of roads to and from ports turning into parking lots is distressing. As with many sectors, health care is deeply integrated across Europe, with sophisticated “just-in-time” supply chains uniting the 28-nation bloc. Up to three-quarters of all the drugs used by Britain’s state-run National Health Services come from or through the E.U.