In this week’s Health newsletter: Do women get more from exercise than men? Plus, this diet can help lower blood pressure within weeks, these science-backed tips help reduce inflammation, what melatonin does to the heart, and why we like to chew gum. 

But first: Too much alone time has a startling effect on the teenage brain. 

For generations, adolescence has been defined as a time of social connection. But as teens spend less time with friends in person, scientists are uncovering how isolation may affect their developing brains. Here’s what we know—and when parents should be concerned.

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Connecting to the untapped potential and the strength of community in Hawaii

National Geographic photographer Josh Cogan joins Joey, who lives with CIDP (chronic inflammatory demyelinating polyneuropathy), on a journey through Hawaii's Big Island. Amid the island's culture and community, Joey finds strength in connection and shared experience.

Emerging research suggests women’s cardiovascular systems may respond more strongly to physical activity than men’s, raising questions about how exercise guidelines are set.

Today’s newsletter was edited and curated by Sidney Madden and produced by Alisher Egamov. Did someone forward this to you? Sign up here to get this newsletter and more.