HOUSTON, Texas -- Living in Houston certainly has its perks, with recent record real estate growth, relatively low cost of living, and access to quality healthcare and education. But, the perks come with a price.A new study ranks Houston as the most-stressed city in Texas - and one of the highest in the nation.The report, released by personal financial site WalletHub, compared 182 cities across four key stressors: work, financial, family, and health and safety. (Absent from the study is a maddening stressor, traffic.)