Core Insights - The recent launch of the "hair biological clock detection service" by Germany's "Human Clock" company has garnered significant attention, allowing for the analysis of hair samples to infer deviations in the body's internal clock [1] - Clinical trials by the team at Paris-Saclay University are set to explore the impact of personalized drug timing on cancer treatment efficacy [1][2] Group 1: Biological Clock Research - Research on clock genes has revealed that each cell in the human body has an independent "clock" regulated by a set of clock genes, which influence the activity of numerous genes [3] - A study from the University of Pennsylvania found that 43% of gene expressions in mice exhibit clear rhythmicity, and 56 out of 100 popular drugs have target protein activities that fluctuate with circadian rhythms [3] Group 2: Clinical Applications of Time Therapy - Time therapy has shown potential in cancer treatment, with early trials indicating that administering chemotherapy at different times can significantly reduce side effects [4] - A review of 18 trials in 2022 indicated that most time therapy experiments could lower treatment toxicity without affecting drug efficacy [4] Group 3: Technological Advancements in Detection - Traditional methods for detecting internal rhythms have been cumbersome, but new technologies, including saliva and hair testing, are making personalized detection more accessible [5] - The "Human Clock" company's hair detection service, while taking five weeks for results, allows consumers to understand their internal clock [5] Group 4: Broader Implications for Health - The advancements in biological clock research and detection technologies may also address issues related to circadian rhythm disruptions, which are linked to various health conditions [6] - Future developments in real-time detection and organ-specific markers could enhance the understanding of individual rhythms and their coordination, potentially leading to improved health outcomes [7]