About 34.2 million Americans have provided unpaid care to an adult age 50 or older in the last 12 months, National Alliance for Caregiving and AARP. (2015). The majority of them (82%) care for one other adult, while 15% care for 2 adults, and 3% for 3 or more adults.
The more a caregiver does for a loved one, it makes sense they'd become more stressed. But according to a family caregiver study, that's not the case. What gerontologists found, if caregivers understood the source of their stress, isolation, or depression, the better off they'd be.