Religious Customs in Hinduism and the Science Behind Them
Religious Customs in Hinduism and Their Scientific Significance
By Surya Pillai
September 06, 2025: Being one of the oldest religions in the world, Hinduism beautifully unites spirituality, culture, and human well-being. Many religious customs in Hinduism and the science behind them are often seen as rituals alone. But when examined closely, they reveal a logical, scientific foundation. These practices were designed not only to deepen the connection with divinity but also to enhance hygiene, health, and social harmony.
Namaste – A Meaningful Greeting
The customary Namaste is more than a symbol of respect. Scientifically, joining the palms activates pressure points linked to the eyes, ears, and brain, improving focus and calmness. Unlike a handshake, Namaste prevents the spread of germs—something modern science values greatly.
Lighting a Lamp – Energy and Positivity
Lighting an oil lamp or diya during prayers signifies the journey from darkness to light. Scientifically, the flame purifies the air, releases positive energy, and creates a peaceful atmosphere. This is why lamps are lit in temples and homes to invite optimism and spiritual clarity.
Applying Tilak or Bindi
The tilak or bindi placed between the eyebrows corresponds to the ajna chakra, or “third eye.” Pressing this point increases blood circulation, reduces stress, and sharpens concentration. Sandalwood paste used in tilaks has cooling properties, while the bindi in women was believed to help regulate hormonal balance.
Tulsi Plant – Nature’s Medicine
The sacred Tulsi plant holds immense religious and scientific significance. Scientifically proven to purify air, boost immunity, and aid respiratory health, Tulsi is worshipped in Hindu households. Walking barefoot around it connects the body to earth’s energy, enhancing grounding and calmness.
Fasting – A Natural Detox
Hindu fasting traditions, beyond devotion, are scientifically linked with detoxification and improved metabolism. By giving the digestive system rest, fasting cleanses the body and balances energy—something modern intermittent fasting trends echo.
Pradakshina – Energy in Motion
Walking clockwise around a temple shrine, or pradakshina, helps devotees absorb the positive energy stored in the sanctum. The circular movement also enhances balance, focus, and meditation, combining spirituality with scientific rhythm.
Touching Feet – Respect and Energy Flow
Touching elders’ feet symbolizes humility, but it also initiates a subtle energy transfer. The elder’s positive vibrations and blessings are believed to flow to the younger person, strengthening bonds and spreading goodwill.
Temple Bells – Sound and Focus
The resonance of temple bells synchronizes the brain’s hemispheres, promoting concentration and relaxation. Their vibrations are said to dispel negativity and prepare the mind for prayer, uniting sound, spirituality, and science.
Conclusion – Timeless Wisdom
The religious customs in Hinduism and the science behind them prove that ancient traditions were not just spiritual but also practical and logical. By blending devotion with science, Hindu practices foster well-being, peace, and social harmony—showing us that faith and reason can coexist beautifully.