Deepinder Goyal Launches Temple Wearable Amid Medical Criticism
Deepinder Goyal launched the Temple wellness wearable for ₹85,000, facing backlash from medical professionals over the scientific validity of its brain blood flow tracking.
Founder of Eternal and Zomato Deepinder Goyal has launched Temple, a head-worn wellness wearable priced at ₹85,000. The device features two primary technologies: BrainFlow, which monitors cerebral haemodynamics, and Entropy, a proprietary biomarker that assesses bodily effort on a scale of 1 to 250. Goyal positioned the device as an access technology for the early detection of damages affecting mental health and longevity, though he noted the product is intended for a global market and expects no more than 1% of sales to occur in India.
Medical professionals, including neurologists and heart specialists, have criticized the device's scientific validity. Critics argue there is zero evidence to support the claims regarding brain blood flow, asserting that the sensors only capture blood flow to the scalp via the temporal artery rather than the brain itself. They have called for regulatory scrutiny of the product's core technologies, which they claim have not been validated by recognized authorities.
Goyal defended the product by stating that Temple is strictly a fitness and AI device and not a medical tool intended to diagnose or prevent disease. He clarified that the device does not replace the need to see a doctor and pledged to obtain necessary regulatory clearances before making specific medical claims. To address the criticism, Goyal offered to provide devices to qualified researchers for independent testing.
