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Associations between breakfast skipping and outcomes in neuropsychiatric disorders, cognitive performance, and frailty: a Mendelian randomization study

孟德尔随机化 重性抑郁障碍 医学 精神科 优势比 双相情感障碍 痴呆 认知 临床心理学 疾病 内科学 遗传变异 基因型 基因 生物化学 化学
作者
Zheng Zhang,Jinglan Tan,Qinghua Luo
出处
期刊:BMC Psychiatry [Springer Nature]
卷期号:24 (1) 被引量:4
标识
DOI:10.1186/s12888-024-05723-1
摘要

Abstract Background Prior studies have identified a correlation between breakfast skipping and a heightened risk of mental health issues. This investigation aimed to employ a Two-Sample Mendelian Randomization (MR) approach to explore the potential causal links between breakfast skipping and various psychiatric, neurological disorders, cognitive performance, and frailty. Methods Utilizing data from genome-wide association studies within European demographics, this research scrutinized the association between breakfast habits and several neuropsychiatric conditions and physical health outcomes, including Alzheimer’s disease (AD), Attention Deficit Hyperactivity Disorder (ADHD), Bipolar Disorder (BD), Major Depressive Disorder (MDD), Narcolepsy, Insomnia, cognitive performance, and frailty. In this MR analysis, the Inverse Variance Weighted (IVW) method was primarily utilized for evaluation. Outcomes were reported as Odds Ratios ( OR ) and regression coefficients ( β ), and underwent validation through False Discovery Rate (FDR) corrections, thereby offering a rigorous evaluation of the effects of breakfast habits on both mental and physical health dimensions. Results Findings demonstrate a significant causal link between skipping breakfast and an increased risk of ADHD ( OR = 2.74, 95%CI: 1.54–4.88, P FDR = 0.003) and MDD ( OR = 1.7, 95%CI: 1.22–2.37, P FDR = 0.005). Conversely, no substantial causal associations were identified between breakfast skipping and AD, BD, narcolepsy, or insomnia ( P FDR > 0.05). Moreover, a notable causal relationship was established between skipping breakfast and a reduction in cognitive performance ( β = -0.16, 95%CI: -0.29–0.04, P FDR = 0.024) and an increase in frailty ( β = 0.29, 95%CI: 0.12–0.45, P FDR = 0.003). Conclusion The MR analysis reveals that skipping breakfast is associated with an increased risk of ADHD, MDD, decreased cognitive performance, and greater frailty, while showing no associations were found with AD, BD, narcolepsy, or insomnia. These findings warrant further investigation into the underlying mechanisms and emphasize the importance of regular breakfast consumption for mental and physical well-being.
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