Core Functionalities
The Longevity app features several core functionalities that make it different from any other healthcare or longevity-related app on the market. Here are the features that will be available on our MVP (first edition of the app):
Biological Age – Biological age is a concept in Longevity science that refers to the physiological age of your body and estimated probability of survival, distinct from your chronological age. This is based on aging of body systems, as a result of diet, exercise, lifestyle, and general health status. This app is unique in that it will calculate this and generate recommendations based upon the Hallmarks of Aging[32]plus an additional proposed tenth hallmark[33].
Health Surveys – The first and easiest way to begin building a personalized longevity profile is via completing various health surveys. These questions mainly come from the National Health and Nutrition Examination Survey (NHANES), narrowed to a focus on aging and longevity, along with a few customized qualitative questions. NHANES is a publicly available dataset designed to assess the health and nutritional status of adults and children in the United States. This survey is unique in that it combines interviews and physical examinations. It also uses populations with demographics and health conditions in proportion to the US population.
There are two types of Health Surveys: Daily & Periodic. As implied by the name,
Daily surveys are meant to be completed each day to create an up-to-date, live snapshot of current health. These are divided into 5 categories: Sleep, Activity, Nutrition, Mindfulness, and Macro/micronutrients. Periodic surveys are meant to be completed quarterly, reflecting an overall picture of health within the past year. These surveys are divided into the following modules: Demographics, General Medical History, Lifestyle, Gut Health, Physical Activity, Sleep Hygiene, and Mental Health.
Health Profiles – Health profiles are inventories of aspects of health that change less frequently. These are designed to be updated every 6 months. Examples: Preconditions, Biometrics, Allergies, Surgical History, Vaccinations
Connecting Health Trackers – Another fast and easy way to increase the accuracy of your results and boost your longevity profile is by connecting your health tracking device (e.g. smart watch). You can sync your Apple Watch or Fitbit (only these two for the MVP) and Rejuve will grab data on your step count & exercise, sleep, heart rate, blood oxygen level, and more. There are numerous studies indicating the positive impact of exercise on longevity; these tools make measurements more accurate than subjective surveys. (National Center for Health Statistics 2022)
Blood Test Data – Blood data is one of the most accurate ways to measure the biological age of different body systems. Rejuve’s Longevity app will be able to process results of blood tests to more accurately calculate your Biological Age, and give detailed insights to improve your longevity. Providing blood test data yields higher rewards than surveys or wearables, and leads to a more complete profile is more useful to studies.
Insights – After completing surveys or submitting data, a section of the app called Insights will generate insights into your unique aging profile. These insights, also structured around the Hallmarks of Aging, explain which factors impacted your biological age calculation the most – positively or negatively. The more data you submit, the more detailed and useful your insights will be. Also, there is a section
Rewards – Submitting data on the Rejuve app yields rewards in the form of Rejuve (RJV) tokens. More difficult/involved tasks will yield higher rewards than simpler tasks. There will also be bonuses such as referring friends to download the app and milestones such as fully completing your longevity profile. Rejuve tokens can be redeemed on the app for discounts on products such as DNA testing and supplements from trusted providers.
How I Compare – See how your Hallmark and Health Scores compare to other Longevity app users across different demographics. This section can be evolved in the future to be more interactive/community-building.
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