Close Ask the Doctor: Stay young at heart Research has shown that three out of four Americans have a "heart age" that is estimated to be older than their actual age. So what can be done to improve your heart health? KIII 5:16 PM. CST February 08, 2017 TRENDING VIDEOS Man caught vandalizing business Man charged for fatal hit-and-run wanted on bond violation Texas insurance regulations Old Copano Bay Bridges collapses Bodies of Corpus Christi hikers found Local reaction to Texas sword law #SeeCC Local impact of distracting driving Power outage impacts Padre Island and Port Aransas Port Aransas businesses talk power outage More Stories Officials: 35 killed in 3 bomb attacks in 2 Pakistani cities Jun 23, 2017, 8:16 a.m. US releases photos of 'unsafe' Russian jet intercept Jun 23, 2017, 10:03 a.m. Report: Obama ordered cyber 'implants' for Russian… Jun 23, 2017, 9:47 a.m.