At what point does the best quality care lose its value? That’s a question a new report by the American Heart Association (AHA) has attempted to answer. These days, there are several diagnostic tests and procedures that can offer plenty of information to both patients and doctors. But are they worth it? Just because humans can do something doesn’t necessarily mean they should. And the AHA report states that Americans are receiving too many heart tests and treatments that don’t really do anything. And all these potentially useless tests can lead to plenty of stress, a loss of time, money spent, and more invasive testing that compounds the stress, time, and money. “Low-value” medical care is a longstanding issue. AHA data suggest that about half of Americans will receive at least one of these tests or procedures every year. They also account for about 30 percent of annual health care …