By Emily Swanson and Ricardo Alonso-Zaldivar, AP

Adult caregivers looking after aging relatives and friends have little training for their stressful roles but still find the experience rewarding, according to a poll released last week.

The Associated Press-NORC Center for Public Affairs Research survey finds that long-term caregivers don’t just provide rides to the doctor and run errands. Nearly half perform some kind of medical care, from changing bandages (30 percent) to inserting catheters or feeding tubes (6 percent).

Only 47 percent of those say they got most or all of the training needed for their often delicate tasks.

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