Fiber is a dietary superhero. It lowers cholesterol, helps regulate blood sugar levels and keeps your hunger in check. But chances are, you're not getting enough of it. NPR health correspondent (and fiber fanatic) Maria Godoy shares easy ways to up your fiber intake. Plus, the science of what fiber does in your body and how having more in your diet could help you. This episode was originally published September 19, 2023.

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A visit to the gynecologist isn't just an essential part of your health routine. It's an opportunity to ask questions about your reproductive health, from birth control to painful periods to a decreased interest in sex. Dr. Rachel Bervell, co-founder of The Black OBGYN Project, explains how women and trans or non-binary people can structure their next visit — and get the answers they need.

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Taylor Swift claimed that "jet lag is a choice" at this year's Super Bowl. Sleep scientists like Jade Wu would like you to know they very much disagree. The disorder can throw your body clock out of whack and leave you feeling sluggish — not great when you're on a big vacation abroad. Wu explains how to make jet lag less miserable and more manageable.

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Approximately one in four adults has a fear of needles, according to the CDC. Many of those people say the phobia started when they were kids. Researchers developed a five step plan to prevent what they call "needless pain" for kids getting injections or their blood drawn. NPR's Short Wave talks with Dr. Stefan Friedrichsdorf of UCSF Benioff Children's Hospitals, who works with a team to implement the plan at his own hospital, about how to eliminate pain during shots.

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In the 1990s, colorectal cancer was the fourth-leading cause of cancer death in the U.S. Now, it's the first in men and second in women — and rates are rising among people under age 50. This episode, we explore how you can lower your risk and make sure you catch colorectal cancer early.

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People of all ages are at risk of noise-induced hearing loss, but few know how to protect against it. This episode, build out your ear care routine with the help of hearing experts — and get surprising advice on phone volume, noise exposure and Q-tips.

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Eye health is more than just an annual eye exam. Learn how to protect your eyes from screens, read your prescription and understand what does and does not affect your vision.

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Our bodies need protein to maintain muscle. That's important because muscle mass peaks in our 30s and then declines. In this episode, tips about understanding how much protein you really need.

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The popular weight loss drug Ozempic makes shedding pounds seem like magic. But the reality is more complicated, says family physician Dr. Mara Gordon. She explains why it's hard to talk about Ozempic without addressing weight stigma and diet culture.

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Naps can offer significant benefits, from emotional regulation to improving memory and athletic performance. But there are right and wrong ways to snooze. A sleep psychologist and a sleep physician explain the factors of the perfect nap and the importance of daytime rest.

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