Nutrition & Fitness Academy
Source registry
Every dataset and page used for these lessons is listed here. Long text is linked. Food numbers come from the USDA download described below. No paid database was used.
FoodData Central, SR Legacy
Publisher. U.S. Department of Agriculture, Agricultural Research Service
Original page
License. Public domain. Published under CC0 1.0 Universal. USDA asks users to credit FoodData Central.
Commercial reuse. Permitted, with the attribution requested by the publisher.
Access. Official CSV download FoodData_Central_sr_legacy_food_csv_2018-04.zip from https://fdc.nal.usda.gov/download-datasets/ on 2026-11-03. No API key. A small subset of food records is stored in the app. The October 2026 Foundation Foods CSV archive did not include the food nutrient table, so this library uses SR Legacy.
Attribution. U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. fdc.nal.usda.gov. SR Legacy release April 2018.
Last checked. 2026-11-03
Data or page update. 2018-04
About Water and Healthier Drinks
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied. The page that was read did not add a separate reuse license.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. About Water and Healthier Drinks.
Last checked. 2026-11-03
Data or page update. 2026-03-05
Water in diet
Publisher. National Library of Medicine, MedlinePlus
Original page
License. U.S. government encyclopedia page. Long text is linked, not copied. The page that was read did not add a separate reuse license.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. MedlinePlus. Water in diet. National Library of Medicine.
Last checked. 2026-11-03
Data or page update. 2025-07-09
Drinking Water Standards and Regulations: An Overview
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Drinking Water Standards and Regulations.
Last checked. 2026-11-03
Data or page update. 2024-02-21
Chemicals That Can Contaminate Tap Water
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Chemicals That Can Contaminate Tap Water.
Last checked. 2026-11-03
Data or page update. 2025-01-30
Preventing Waterborne Germs at Home
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Preventing Waterborne Germs at Home.
Last checked. 2026-11-03
Data or page update. 2024-03-15
Bottled Water Everywhere: Keeping it Safe
Publisher. U.S. Food and Drug Administration
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No publication date was visible on the page.
Attribution. U.S. Food and Drug Administration. Bottled Water Everywhere: Keeping it Safe.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Labeling Organic Products
Publisher. U.S. Department of Agriculture, Agricultural Marketing Service
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No page update date was visible.
Attribution. USDA Agricultural Marketing Service. Labeling Organic Products.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Synthetic Substances in Crop Production
Publisher. U.S. Department of Agriculture, Agricultural Marketing Service
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No page update date was visible.
Attribution. USDA Agricultural Marketing Service. Synthetic Substances in Crop Production.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Selecting and Serving Produce Safely
Publisher. U.S. Food and Drug Administration
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No page update date was visible.
Attribution. U.S. Food and Drug Administration. Selecting and Serving Produce Safely.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Creating Healthy Habits
Publisher. National Institutes of Health, NIH News in Health
Original page
License. U.S. government web page. Long text is linked, not copied. The page that was read did not add a separate reuse license.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. The URL date is March 2018.
Attribution. NIH News in Health. Creating Healthy Habits. March 2018.
Last checked. 2026-11-03
Data or page update. 2018-03
Adult Activity: An Overview
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Adult Activity: An Overview.
Last checked. 2026-11-03
Data or page update. 2023-12-20
Older Adult Activity: An Overview
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Older Adult Activity: An Overview.
Last checked. 2026-11-03
Data or page update. 2025-12-04
How Much Sleep Is Enough?
Publisher. National Heart, Lung, and Blood Institute
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. National Heart, Lung, and Blood Institute. How Much Sleep Is Enough?
Last checked. 2026-11-03
Data or page update. 2022-03-24
Sleep Deprivation and Deficiency
Publisher. National Heart, Lung, and Blood Institute
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. National Heart, Lung, and Blood Institute. Sleep Deprivation and Deficiency.
Last checked. 2026-11-03
Data or page update. 2022-03-24
Advice about Eating Fish
Publisher. U.S. Food and Drug Administration and U.S. Environmental Protection Agency
Original page
License. U.S. government web page. Long text and the fish chart are linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. U.S. Food and Drug Administration and U.S. Environmental Protection Agency. Advice about Eating Fish. Revised October 2021.
Last checked. 2026-11-03
Data or page update. 2021-10
Fiber
Publisher. National Library of Medicine, MedlinePlus
Original page
License. U.S. government encyclopedia page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. MedlinePlus. Fiber. National Library of Medicine.
Last checked. 2026-11-03
Data or page update. 2026-09-15
Rethink Your Drink
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Rethink Your Drink.
Last checked. 2026-11-03
Data or page update. 2026-03-05
Acid Reflux (GER and GERD) in Adults
Publisher. National Institute of Diabetes and Digestive and Kidney Diseases
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. National Institute of Diabetes and Digestive and Kidney Diseases. Acid Reflux (GER and GERD) in Adults.
Last checked. 2026-11-03
Data or page update. 2020-07
Alcohol's Effects on the Body
Publisher. National Institute on Alcohol Abuse and Alcoholism
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No page-level update date was visible. The page cites an NCI page it accessed on June 6, 2024.
Attribution. National Institute on Alcohol Abuse and Alcoholism. Alcohol's Effects on the Body.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Alcohol's Effects on Health
Publisher. National Institute on Alcohol Abuse and Alcoholism
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. The page lists treatment information and Rethinking Drinking.
Attribution. National Institute on Alcohol Abuse and Alcoholism. Alcohol's Effects on Health.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Cigarette Smoking
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Cigarette Smoking.
Last checked. 2026-11-03
Data or page update. 2024-09-17
Smokefree.gov
Publisher. National Cancer Institute
Original page
License. U.S. government web page. Long text is linked, not copied. Text programs on the site may have message and data rates from the phone carrier. lifeZoi does not sign anyone up.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No page update date was visible.
Attribution. National Cancer Institute. Smokefree.gov.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
I'm So Stressed Out! Fact Sheet
Publisher. National Institute of Mental Health
Original page
License. Public domain. NIMH says the information may be reused or copied without permission. Images on the page may not be copied. Cite NIMH.
Commercial reuse. Permitted, with the attribution requested by the publisher.
Access. Public web page opened 2026-11-03. Wording in the app is original. No NIMH image is copied.
Attribution. National Institute of Mental Health. I'm So Stressed Out! Fact Sheet. NIH Publication No. 20-MH-8125.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Fluid and Electrolyte Balance
Publisher. National Library of Medicine, MedlinePlus
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No page update date was visible.
Attribution. MedlinePlus. Fluid and Electrolyte Balance. National Library of Medicine.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Build a Healthy Eating Routine
Publisher. Dietary Guidelines for Americans
Original page
License. U.S. government fact sheet. Long text is linked, not copied. This file is dated March 26, 2021. A later edition of the Dietary Guidelines may exist. lifeZoi cites this sheet by its own date.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public PDF opened 2026-11-03.
Attribution. Dietary Guidelines for Americans. Build a Healthy Eating Routine. March 26, 2021.
Last checked. 2026-11-03
Data or page update. 2021-03-26
988 Suicide & Crisis Lifeline
Publisher. Substance Abuse and Mental Health Services Administration
Original page
License. U.S. government web page. Long text is linked, not copied. The wording is for the United States.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Substance Abuse and Mental Health Services Administration. 988 Suicide & Crisis Lifeline.
Last checked. 2026-11-03
Data or page update. 2025-09-26
Break the bonds of emotional eating
Publisher. National Library of Medicine, MedlinePlus
Original page
License. U.S. government encyclopedia page. Long text is linked, not copied. The page that was read did not add a separate reuse license.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. MedlinePlus. Break the bonds of emotional eating. National Library of Medicine. Review date September 4, 2024.
Last checked. 2026-11-03
Data or page update. 2024-09-04
Definition and Facts for Binge Eating Disorder
Publisher. National Institute of Diabetes and Digestive and Kidney Diseases
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. Used only to point people toward clinical care. lifeZoi does not apply this definition to a person.
Attribution. NIDDK. Definition and Facts for Binge Eating Disorder. Last reviewed May 2021.
Last checked. 2026-11-03
Data or page update. 2021-05
Meditation and Mindfulness: Effectiveness and Safety
Publisher. National Center for Complementary and Integrative Health
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. NCCIH. Meditation and Mindfulness: Effectiveness and Safety. Last updated June 2022.
Last checked. 2026-11-03
Data or page update. 2022-06
Weight loss: Gain control of emotional eating
Publisher. Mayo Clinic
Original page
License. Mayo Clinic page. Permission to copy was not granted on the page that was read. The app links out and uses original wording.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Mayo Clinic Staff. Weight loss: Gain control of emotional eating. January 21, 2026.
Last checked. 2026-11-03
Data or page update. 2026-01-21
Implementation Intentions
Publisher. National Cancer Institute, Division of Cancer Control and Population Sciences
Original page
License. U.S. government research summary. Long text is linked, not copied. No page update date was visible.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Gollwitzer and Sheeran. Implementation Intentions. National Cancer Institute, Division of Cancer Control and Population Sciences.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Sugar Habit Hacker: Initial evidence that a planning intervention reduces sugar intake
Publisher. PubMed Central
Original page
License. Open-access article on PubMed Central. The app does not copy the article. A reuse license was not restated in the text that was read, so the app links out.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public PMC page opened 2026-11-03. No publication date was visible in the text that was read. The study is a pre-post feasibility study, not a comparison trial.
Attribution. Brittain, Consedine, Bagot, Booth, and Rodda. Sugar Habit Hacker. PubMed Central PMC8997217.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Seasonal Affective Disorder
Publisher. National Institute of Mental Health
Original page
License. U.S. government publication. Long text is linked, not copied. NIMH Publication No. 23-MH-8138, revised 2023.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. National Institute of Mental Health. Seasonal Affective Disorder. NIH Publication No. 23-MH-8138. Revised 2023.
Last checked. 2026-11-03
Data or page update. 2023
Seasonal affective disorder
Publisher. National Library of Medicine, MedlinePlus
Original page
License. U.S. government encyclopedia page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. No review date was visible in the text that was read.
Attribution. MedlinePlus Medical Encyclopedia. Seasonal affective disorder. National Library of Medicine.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Sun Safety Facts
Publisher. Centers for Disease Control and Prevention
Original page
License. U.S. government web page. Long text is linked, not copied.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Centers for Disease Control and Prevention. Sun Safety Facts.
Last checked. 2026-11-03
Data or page update. 2026-06-17
Restorative Effects from Green Exposure: A Systematic Review and Meta-Analysis of Randomized Control Trials
Publisher. PubMed Central
Original page
License. Open-access article on PubMed Central. The app does not copy the article. A reuse license was not restated in the text that was read, so the app links out.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public PMC page opened 2026-11-03. The review protocol was registered in June 2022. Effect sizes are not repeated in the app.
Attribution. Song and colleagues. Restorative Effects from Green Exposure. PubMed Central PMC9658851.
Last checked. 2026-11-03
Data or page update. 2022
The Psychological and Physical Effects of Forests on Human Health: A Systematic Review of Systematic Reviews and Meta-Analyses
Publisher. PubMed Central
Original page
License. Open-access article on PubMed Central. The app does not copy the article. A reuse license was not restated in the text that was read, so the app links out.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public PMC page opened 2026-11-03. No publication date was visible in the portion that was read. The review discusses phytoncides as not yet settled.
Attribution. Stier-Jarmer and colleagues. Psychological and Physical Effects of Forests on Human Health. PubMed Central PMC7918603.
Last checked. 2026-11-03
Data or page update. Not listed on the page that was opened.
Forest Bathing: What It Is and Its Potential Benefits
Publisher. Cleveland Clinic
Original page
License. Cleveland Clinic page. Permission to copy was not granted on the page that was read. The app links out and uses original wording.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03.
Attribution. Cleveland Clinic. Forest Bathing: What It Is and Its Potential Benefits. December 6, 2023.
Last checked. 2026-11-03
Data or page update. 2023-12-06
Is Earthing Actually Good for You?
Publisher. Cleveland Clinic
Original page
License. Cleveland Clinic page. Permission to copy was not granted on the page that was read. The app links out and uses original wording.
Commercial reuse. Not clearly granted on the page that was read, so the app links out and uses original wording.
Access. Public web page opened 2026-11-03. Used to separate sensory time outside from unproven electrical-earthing claims.
Attribution. Cleveland Clinic. Is Earthing Actually Good for You? April 19, 2024.
Last checked. 2026-11-03
Data or page update. 2024-04-19