Nix Raises $10M for Hydration Intelligence, Life Time Bets on Healthy Aging, Supplement Use Hits 78%

September 18, 2026: Your daily rundown of health and wellness news, in under 5 minutes.

Today's top stories:

Nix Biosensors raises $10M Series A to license its hydration algorithm into fitness platforms, shifting from hardware to health data infrastructure Life Time expands its ARORA healthy-aging program as class size triples since 2022, tapping into the 56% of consumer spending held by adults 50+ Pew data finds 78% of US adults now take a supplement, with protein use surging among Gen Z even as seniors lead overall adoption