
The simple act of drinking tea can have profound effects on our health, especially as we age. This research investigates how regular tea consumption can influence the frailty status of older adults. Frailty is a state of increased vulnerability to poor health outcomes, and it's often used as a measure of health in older adults. The study was based on the Chinese Longitudinal Healthy Longevity Study and included over 23,000 participants aged 65 and above.
The results showed that consistent daily tea drinkers were less likely to be frail at the start of the study. Over a three-year follow-up period, these tea drinkers were more likely to improve their frailty status or maintain a non-frail state. Interestingly, this positive effect was more pronounced in men. The study suggests that advocating for the traditional lifestyle of drinking tea could be a promising way to promote healthy aging.
Article Information
Published in Journal of the American Medical Directors Association. Lanhui Huang et al.
Objectives: To investigate the association between habitual tea consumption and transitions between frailty states among older adults in China.
Design: A prospective cohort study based on the Chinese Longitudinal Healthy Longevity Study.
Setting and participants: A total of 23,720 older adults aged ≥65 years with complete data regarding frailty status and tea consumption were recruited.
Methods: The frequency and consistency of tea consumption were introduced to evaluate levels of tea consumption. The frailty index was used to define frailty status (frail and nonfrail). Frailty transition was classified into remaining nonfrail, improvement, worsening, and remaining frail groups. Logistic regression models were applied.
Results: The overall frailty prevalence at baseline was 19.1%, being lower among consistent daily tea drinkers (12.5%) and higher among non-tea drinkers (21.9%). Logistic regression analyses showed that the risk of frailty was significantly reduced among consistent daily tea drinkers after adjusting for all confounders (odds ratio [OR], 0.81; 95% CI, 0.67-0.98). During the 3-year follow-up, improvement in frailty status was more common among consistent daily tea drinkers (50.9%) than non-tea drinkers (40.9%), and this trend was opposite in participants with worsened frailty status (consistent daily tea drinkers: 12.2%) vs non-tea drinkers: 19.2%). Further analysis showed that consistent daily tea drinkers were significantly associated with improvement in frailty status (OR, 3.24; 95% CI, 1.02-10.31) and remaining in a nonfrail state (OR, 1.35; 95% CI, 1.00-1.83). In addition, daily tea consumption was observed to be positively associated with remaining in a nonfrail state and inversely associated with worsened frailty status in men, but not in women.
Conclusions and implications: Older people consuming tea daily tend to have an improved frailty status in the future. Men with daily tea consumption were less likely to have a worsened frailty status. Advocating for the traditional lifestyle of drinking tea could be a promising way to advance healthy aging for older adults.