The longevity library

The things worth knowing, in plain language

Short, useful reads on the numbers and habits that decide how long we live well. No jargon, no scare tactics — just what to know and the next small step.

Know your numbers2 min

Blood pressure, decoded

Two numbers, and usually only the top one gets talked about.

  • The top number (systolic) is the pressure when your heart beats.
  • The bottom number (diastolic) is the pressure between beats.
  • 130/80 or higher, on two separate days, is worth a conversation with a clinician.
Nutrition2 min

Salt hides in bread, not the shaker

Most of the sodium we eat is already in the food before it reaches the table.

  • Canned soups, deli meat, bread and seasoning blends carry the most.
  • Rinse canned beans: you keep the fiber and lose much of the salt.
  • Taste before salting — taste buds adjust in about three weeks.
Movement2 min

Walk after you eat

Ten to twenty minutes after a meal is the easiest win in the day.

  • A gentle walk helps your muscles take up blood sugar.
  • It works after breakfast, lunch or dinner — protect the meal you can keep.
  • Walk indoors when the weather or the street says no.
Sleep2 min

Sleep debt is real, and it stacks

Lost hours are not erased by one long weekend.

  • Keep a consistent wake time, even after a rough night.
  • Bright light in the morning sets the rhythm for the whole day.
  • Snoring plus daytime exhaustion deserves a clinician's attention.
Family history3 min

Your family history is a health record

What your parents, aunts and grandparents lived through tells a clinician a great deal.

  • Write down heart disease, stroke, diabetes and cancers — and the ages they appeared.
  • Share it at your next visit: screening timelines can change because of it.
  • Build it with others at a Kitchen Table Talk if you would rather not do it alone.
Screenings2 min

Screening timelines start earlier than you think

Many screenings now begin at 45, and sooner with family history.

  • Colorectal screening generally starts at 45 for average risk.
  • Mammography usually starts at 40 — earlier if a close relative was diagnosed young.
  • Ask whether your coverage includes it, and ask about programs that cover it if not.
Navigating care2 min

You are allowed to ask questions

Good care often begins with the question you were nervous to ask.

  • “Say that again in plain words.”
  • “What happens if I do nothing?”
  • “Who can help me with the cost?”
Advocacy2 min

Ask for an interpreter, and bring a witness

Language and support should never decide an outcome.

  • Interpretation is a right in most care settings — ask at check-in.
  • Community health workers and patient navigators can sit with you.
  • Bring someone with you: two sets of ears catch more.

This library is health education, not medical advice. Talk with a clinician you trust about your own numbers, medicines and screenings.

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