{
  "version": "https://jsonfeed.org/version/1.1",
  "title": "My Health My Wellness",
  "home_page_url": "https://myhealthmywellness.com",
  "feed_url": "https://myhealthmywellness.com/feed.json",
  "description": "Free health calculators with every formula cited: A1C to average glucose, TDEE, BMR, heart-rate zones, due date, ovulation, protein targets and more. Client-side and private — your health data never leaves your browser.",
  "authors": [
    {
      "name": "Peter Bryce",
      "url": "https://myhealthmywellness.com/author/peter-bryce"
    }
  ],
  "language": "en",
  "items": [
    {
      "id": "https://myhealthmywellness.com/guides/how-tdee-is-calculated-in-full",
      "url": "https://myhealthmywellness.com/guides/how-tdee-is-calculated-in-full",
      "title": "How TDEE is calculated, in full",
      "summary": "The complete derivation of total daily energy expenditure: the Mifflin-St Jeor equation term by term, the two equations that compete with it, the activity ladder that has no primary source, the published activity bands that do, and the error band that belongs around the result.",
      "date_published": "2026-07-30T00:00:00Z"
    },
    {
      "id": "https://myhealthmywellness.com/guides/reading-an-a1c-result",
      "url": "https://myhealthmywellness.com/guides/reading-an-a1c-result",
      "title": "Reading an A1C result",
      "summary": "What the A1C measurement is, the two unit systems it is reported in, the equation that translates it into an average glucose, the tolerance the assay itself carries, the ranges the ADA defines, and the several things a single A1C value cannot tell you.",
      "date_published": "2026-07-30T00:00:00Z"
    },
    {
      "id": "https://myhealthmywellness.com/guides/what-heart-rate-zones-actually-mean",
      "url": "https://myhealthmywellness.com/guides/what-heart-rate-zones-actually-mean",
      "title": "What heart rate zones actually mean",
      "summary": "Heart rate zones are percentages of an estimated ceiling, drawn at edges nobody published. This guide separates the five-zone convention from ACSM's published intensity classification, sets Karvonen against percent-of-maximum, and quantifies how much each choice moves the boundaries.",
      "date_published": "2026-07-30T00:00:00Z"
    },
    {
      "id": "https://myhealthmywellness.com/guides/how-pregnancy-dating-works",
      "url": "https://myhealthmywellness.com/guides/how-pregnancy-dating-works",
      "title": "How pregnancy dating works",
      "summary": "Why a due date is counted from the last period rather than conception, what the 280-day convention assumes, how cycle length shifts it, why a first-trimester scan supersedes the arithmetic, and why term is a five-week window rather than a date.",
      "date_published": "2026-07-30T00:00:00Z"
    }
  ]
}