Which of the following is most accurate regarding research on predictors of health in middle adulthood and later adulthood?  a. There has been no longitudinal research to address this question,...

Which of the following is most accurate regarding research on predictors of health in middle adulthood and later adulthood?

 a. There has been no longitudinal research to address this question, therefore, researchers have been unable to draw any definitive conclusions.

 b. Education predicted health from middle to late adulthood more strongly than did income.

 c. Alcohol use, but not smoking, has been shown to correlate with later health and mortality.

 d. Health habits predict later physical and mental health, but personality characteristics do not predict these aspects of health.