The risk of high blood pressure among South Koreans in their 20s and 30s has risen significantly in recent years, with the increase especially pronounced among young men living alone, according to a state-funded study. National Health Insurance Service data showed Sunday that the prevalence of hypertension among young adults aged 20 to 39 stood at 18 per 1,000 people in 2023, up from 10.7 per 1,000 in 2015. The prevalence rate among young Koreans living with family members rose from 10.1 to 16.7