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Being able to find high quality health care at an affordable price is a problem to be solved in many countries. In the United States, Walmart, a large chain store, is trying to help. It is offering something new to its employees: cutting the cost of a doctor's appointment to only $4 instead of the usual$40 for the same service.rnWalmart is the latest major business in the United States to push its workers toward a high-tech way to be examined and treated by doctors. Thanks to telemedicine, people can talk with medical experts from the privacy of their own homes, of-ten using a secure video connection.