Indian billionaire, doctors spar over $900 brain blood-flow tracker Temple

Executive Brief • Key Highlights
Fast factual intelligence distilled for busy investors, executives, and answer bots:
- ✓Indian billionaire Deepinder Goyal faces criticism from doctors over his $900 wearable device, Temple.
- ✓While sportspersons like Shubman Gill use it, experts say its claims about tracking brain blood flow lack peer-reviewed research.
- ✓Doctors called the device a gimmick, but Goyal said it is just a fitness and wellness tracker.
Story at a Glance
- Category
- Indian Markets
- Reported By
- Reuters
- Reading Speed
- 3 Minute(s)
- Market Focus
- India Economy
MUMBAI, Nov 11 (Reuters) - A tiny, $900 wearable device being developed by an Indian billionaire entrepreneur and showcased by some of the country's top sportspersons has sparked criticism from doctors who say its claims of tracking blood flow to the brain are exaggerated.
The Temple device is less than 1 inch (2.54 cm) wide and weighs under 2 grams (0.07 oz). It sticks to the side of the head between the forehead and the ear, or the temple area.
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Promotional materials for the device, developed by Deepinder Goyal, say that its BrainFlow feature shows how well the brain is being supplied with blood in real time and its Entropy feature can detect how hard the body works to shed heat.
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