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Understanding Biological Rhythms

Advancing research and awareness about chronobiology in India through collaboration, education, and innovation.

About Chronobiology

The study of biological rhythms and the mechanisms of biological timekeeping in living organisms.

Circadian Rhythms

Circadian rhythms are physical, mental, and behavioral changes that follow a 24-hour cycle. These natural processes respond primarily to light and dark and affect most living things, including animals, plants, and microbes.

Chronophysiology

Chronophysiology examines how timing affects physiological functions. From hormone secretion to metabolism, these processes follow distinct temporal patterns that are essential for optimal health and survival.

Chronomedicine

Chronomedicine applies chronobiology to medical practice, optimizing treatment timing to enhance efficacy and reduce side effects. This approach recognizes that the body's response to treatments varies with biological rhythms.

Chronobiology Research

Key developments in chronobiology research that have shaped our understanding of biological rhythms.

1729: First Documented Circadian Rhythm

Jean-Jacques d'Ortous de Mairan discovered that mimosa plants continued their daily leaf movements even when kept in constant darkness, suggesting an internal clock mechanism.

1960s: Aschoff and Pittendrigh

Jürgen Aschoff and Colin Pittendrigh established the fundamental properties of circadian rhythms, including temperature compensation and entrainment.

1984: Clock Gene Discovery

The period (per) gene was identified in Drosophila, marking the first molecular component of the circadian clock to be discovered.

1990s: Mammalian Clock Genes

The discovery of mammalian clock genes including CLOCK, BMAL1, PER, and CRY revolutionized our understanding of molecular mechanisms behind circadian rhythms.

2017: Nobel Prize

Jeffrey C. Hall, Michael Rosbash, and Michael W. Young were awarded the Nobel Prize in Physiology or Medicine for their discoveries of molecular mechanisms controlling circadian rhythms.

Upcoming Events

Join us for these exciting events focused on chronobiology research and applications.

Jul 15-17, 2025

Annual Chronobiology Conference

The premier gathering for chronobiology researchers in India featuring keynote speakers, research presentations, and networking opportunities.

Organizers: Indian Society for Chronobiology & AIIMS Delhi

Register Now
Sep 5, 2025

Chronomedicine Workshop

A one-day workshop exploring the latest applications of chronobiology in medical practice with hands-on training sessions.

Organizers: ISC & Christian Medical College

Learn More
Oct 12-13, 2025

Circadian Rhythms in Health Symposium

Bringing together healthcare professionals to discuss the importance of biological rhythms in maintaining health and preventing disease.

Organizers: ISC & National Institute of Mental Health

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Our Society's Aims

  • Foster collaboration among researchers, clinicians, and educators interested in chronobiology across India
  • Advance scientific understanding of biological rhythms through research and innovation
  • Promote education about chronobiology at all levels, from school to postgraduate training
  • Develop applications of chronobiological principles to improve health and wellbeing
  • Advocate for policies that recognize the importance of biological rhythms in work, education, and healthcare
  • Build international partnerships to strengthen India's contribution to global chronobiology research

Become a Member

Join the Indian Society for Chronobiology to connect with researchers, access exclusive resources, and contribute to advancing chronobiology in India. Members receive discounted event registration, networking opportunities, and our quarterly newsletter.

Apply for Membership