
Neurosurgeon Dr. Sanjay Gupta reveals groundbreaking strategies to protect your brain at any age. This NYT bestseller, endorsed by Bill Gates as "a helpful primer," debunks aging myths while offering a science-backed blueprint for cognitive longevity that Arianna Huffington calls "a must-read owner's manual."
Sinta o livro através da voz do autor
Transforme conhecimento em insights envolventes e ricos em exemplos
Capture ideias-chave em um instante para aprendizado rápido
Aproveite o livro de uma forma divertida e envolvente
What if everything you believed about aging and your brain was wrong? For decades, we've accepted a grim narrative: our brains peak in our twenties, then slide into inevitable decline, with dementia lurking as an unavoidable fate. But here's the truth that changes everything-your brain can generate new cells at seventy just as vigorously as at twenty-five. Every four seconds, someone develops dementia worldwide, yet over 90% of brain health isn't locked in your genes. It lives in your daily choices. This isn't about preventing disease; it's about unleashing cognitive potential you didn't know you had. Stand in an operating room and watch a living brain pulsate beneath surgical lights. It's not the gray, rubbery mass from textbooks but a glistening pink organ with whitish-yellow patches, crisscrossed by blood vessels, trembling with each heartbeat. Its consistency resembles gelatin-surprisingly fragile for something that contains your entire existence. Weighing barely three pounds, it devours 20% of your body's blood and oxygen despite representing only 2.5% of your weight. What makes human brains extraordinary isn't just size but architecture. Our brain-to-body ratio of 1/40 dwarfs other mammals. While we share a "reptilian brain" managing breathing and heartbeat with lizards, our massive cerebral cortex-two square feet when unfolded-enables language, abstract thought, and the ability to ponder our own existence. Inside, roughly 100 billion neurons connect through trillions of synapses, creating networks more complex than any computer ever built. The brain you have today isn't the brain you're stuck with tomorrow.
Divida as ideias-chave de Keep Sharp em pontos fáceis de entender para compreender como equipes inovadoras criam, colaboram e crescem.
Destile Keep Sharp em dicas de memória rápidas que destacam os princípios-chave de franqueza, trabalho em equipe e resiliência criativa.

Experimente Keep Sharp através de narrativas vívidas que transformam lições de inovação em momentos que você lembrará e aplicará.
Pergunte qualquer coisa, escolha a voz e co-crie insights que realmente ressoem com você.

Criado por ex-alunos da Universidade de Columbia em San Francisco
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
Criado por ex-alunos da Universidade de Columbia em San Francisco

Obtenha o resumo de Keep Sharp como PDF ou EPUB gratuito. Imprima ou leia offline a qualquer momento.