Horizon Blue Cross Blue Shield of New Jersey has added an exercise and healthy aging program to its 54,000 Medicare Advantage members, a move it says can help stem the tide of increasing health care costs associated with the baby boomer population.

Fitness-related activities when coupled with an incentive-based health insurance wellness program can lead to lower health care costs, a new study finds.

Trustmark Mutual Holding Co. is buying a Minneapolis, Minn.-based provider of integrated health and fitness management services for about $97 million.