Fitbit founders launch Luffu, Midi scales women's health, Lotus flips primary care

February 4, 2026: Your daily rundown of health and wellness news, in under 5 minutes.

Today's top stories:

• Lotus Health AI raises $41M to scale free primary care platform monetized through sponsorships, using doctor-in-the-loop model as AI becomes front door to care

• Midi Health raises $100M Series D at $1B+ valuation, expanding beyond menopause into metabolic and musculoskeletal care while treating 25K+ patients weekly

• Fitbit co-founders unveil Luffu, an "intelligent family care system" organizing health info across kids, parents, and pets to reduce caregiver mental load

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