Peptide Demand Grows, Sleep Gets a Reset, Neighborhoods Shape Health

July 9, 2026: Your daily rundown of health and wellness news, in under 5 minutes.

Today's top stories:

• The New Consumer survey finds younger demographics interested in peptides but wanting clinical guidance, as an FDA panel weighs expanded compounding this month
• MIT analyzes 28,000 US neighborhoods with AI, finding walkable, mixed-use design generates up to 4x greater health gains in underserved communities
• NYT physician argues the eight-hour sleep obsession has outpaced science, as trackers fuel "orthosomnia" and quality matters more than a universal target

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