听力原文：The slow stretches and meditations of yoga don't bum calories like a nm on the fi

听力原文： The slow stretches and meditations of yoga don't bum calories like a nm on the field. But a new study suggests it might help people keep weight off in middle age.

Researchers found that overweight people in their 50s who regularly practiced yoga lost about five pounds over 10 years, while a group in the same age range gained about 13.5 pounds over the same period.

The link between yoga and weight loss has nothing to do with burning calories. Except for very vigorous yoga practices, you don't really burn enough energy to make any difference in terms of weight. Instead, yoga helps keep people more in tune with their bodies and eating habits and aware of bad habits, such as eating because of stress, boredom or depression.

The researchers collected data from 15,500 people between the ages of 53 and 57 who were asked about exercise, weight, health and diet histories. The findings showed that those who practiced yoga tended to avoid junk food and overeating because they wanted to respect their bodies.

Some yoga trainers said it's difficult to eat heavily and do yoga. Doing certain movements does not work with a slice of pizza.

Scientists called the research encouraging, but said it's difficult to prove a direct influence from a single study.

Most yoga fans say weight loss is just an added bonus from the disciplined form. of meditation,controlled breathing and prescribed postures.

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A．It can help people to adjust their breathing.

B．It may help middle-aged people to lose weight.

C．It can burn calories like running on the field.

D．It may replace the role of doctors.