(CNN) - Open enrollment is back - a time when people can enroll, renew or change health care plans for the upcoming year - but no matter whether you choose a health care plan through your employer or the Affordable Care Act, most will suffer sticker shock.

“The total health cost of health benefits is going to rise by 6.5% next year, and that is the highest increase we’ve seen in 15 years,” said Beth Umland, the director of Employer Research for Health and Benefits at Mercer.

Umland said employees will feel it through paycheck deductions as employers may shift more health care costs to staffers.

“The same healthcare service and good that you bought last year is going to be higher,” she said.

A survey by non-partisan health policy research group KFF found weightloss drug use is driving c

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