{
  "id": 13185785,
  "title": "Associations between multivariate profiles, lifestyle behaviors and reaction time performance in active young adults",
  "url": "https://urgent.news/2026/10/09/associations-between-multivariate-profiles-lifestyle-behaviors-and",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-09T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.10.02.753577v1?rss=1"
  },
  "original_language": "en",
  "account": "This study investigated the connections between various aspects of lifestyle behavior, metabolic health, and reaction time performance in young adults who engage in regular physical activity. Researchers collected data on participants' physical activity levels from wearable devices, along with their height, weight, and other health measurements. Additionally, they gathered information on cognitive tests and blood analyses.\n\nTo analyze the data, researchers used a technique called principal component analysis (PCA) to identify patterns in the physiological and plasma parameters. They then used multiple linear regression models to examine the relationships between plasma parameters, sex, physical activity levels (measured in metabolic equivalents or METs), daily step count, and alcohol or marijuana use on physiological scores (PC1 and PC2) and reaction time (RT).\n\nThe analysis revealed that physiological PC1, which measures blood pressure, was associated with a combination of plasma PC1 (insulin and HOMA-IR) levels, sex, total METs, and alcohol consumption. In other words, individuals with lower blood pressure scores tended to have higher insulin and HOMA-IR levels, and were more likely to consume alcohol and engage in higher levels of physical activity. The adjusted R2 value of 0.30 indicates that these factors collectively explained about 30% of the variation in physiological PC1 scores.\n\nPhysiological PC2, which measures handgrip strength, was primarily influenced by the same combination of plasma PC1-sex variable, accounting for 54% of the variation in handgrip strength scores. However, behavioral factors like physical activity levels and alcohol use had minimal impact on handgrip strength.\n\nInterestingly, reaction time (RT) was found to be associated with physiological PC1 and sex. Women with lower physiological PC1 scores or higher blood pressure tended to have slower reaction times. This association was further supported by the correlations between RT and physiological PC1, as well as RT and blood pressure. The adjusted R2 value of 0.35 suggests that these factors explained approximately 35% of the variation in reaction time scores.\n\nOverall, the study's exploratory findings suggest that sex-dependent associations exist between physiological, metabolic, and lifestyle-related factors. These findings support the idea that a comprehensive approach should be taken in future research, particularly when studying young adults.",
  "summary": "Lifestyle behaviors influence cardiometabolic and cognitive health through multiple interconnected processes, involving metabolic, cardiovascular, behavioral and cognitive factors. This study aimed to assess associations between multivariate plasma and physiological profiles, and behavioral parameters, and their potential association with reaction time (RT) in active young adults. Data on…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}