Jack Dorsey launches Sun Day app to track UV exposure and Vitamin D levels using real-time UV and skin data; here's how it might benefit you
Twitter co-founder Jack Dorsey has introduced a new application that merges health tech with sun exposure tracking as public interest in preventive health and digital wellness tools continues to grow.
The app, called Sun Day, uses real-time UV data to estimate your Vitamin D synthesis, offering a personalised approach to sunlight exposure. Currently available in beta through TestFlight for iOS, the app reflects a broader trend toward using AI-powered health tools to improve lifestyle habits, boost immunity, and promote holistic well-being through smarter choices.
Jack Dorsey launches Sun Day app to track Vitamin D levels in your body; here's how
Sun Day uses location-based services to calculate your local UV index and sunlight duration. Once the user inputs their skin type, clothing coverage, and logs their sun exposure manually, the app estimates:
How much Vitamin D your body may have produced
How long you can safely stay in the sun without risking sunburn
This tailored approach is especially relevant for individuals who may have Vitamin D deficiencies, such as those with limited outdoor time, darker skin tones, or higher latitudes with weaker sunlight.
The app is part of Dorsey's experimentation with open-source and AI-based coding tools. The Sun Day project is publicly available on GitHub, allowing developers to contribute or build on the code. It was developed alongside Goose, an AI-assisted development tool also built by Dorsey's team.
Both projects reflect his evolving role as a solo open-source developer exploring AI in health and communication.
Why Vitamin D is crucial for your health
Vitamin D is more than just a nutrient—it acts like a hormone in the body and supports multiple essential functions.
by Taboola
by Taboola
Sponsored Links
Sponsored Links
Promoted Links
Promoted Links
You May Like
Get ₹2Cr life cover@ ₹700 p.m.
ICICI Pru Life Insurance Plan
Get Quote
Undo
Its role in maintaining overall health is well-established, especially in the areas of immunity, bone strength, and emotional well-being.
Strengthens the immune system
Vitamin D helps regulate immune responses, allowing the body to better fight off infections. A deficiency can impair immune function, making individuals more susceptible to illnesses such as the common cold, flu, and respiratory infections.
Maintains bone health and prevents osteoporosis
Vitamin D enhances calcium absorption in the body, which is essential for building and maintaining strong bones.
Without sufficient Vitamin D, bones can become weak and brittle, increasing the risk of fractures and conditions like osteoporosis and rickets.
Supports mental and emotional well-being
Low Vitamin D levels have been linked to mood disturbances such as depression and fatigue. In particular, it plays a role in regulating mood by influencing brain chemicals. This is especially important in regions with limited sunlight, where people are at higher risk for seasonal affective disorder.
A preventive approach to modern lifestyle challenges
For individuals living in areas with inconsistent sunlight or those who spend extended hours indoors, the app can serve as a preventive health tool. It empowers users to monitor and optimize their Vitamin D levels, helping reduce the risk of immune deficiencies, bone disorders, and mood-related issues commonly associated with modern indoor lifestyles.
How the Sun Day app might help
Source: Apple App Store
Developed by Jack Dorsey, the Sun Day app provides personalised, real-time estimates of Vitamin D production.
It uses location-based UV data along with user inputs like skin type, clothing coverage, and duration of sun exposure. Based on this information, it calculates how much Vitamin D the user may have synthesized and offers guidance on how long they can stay in the sun safely.
This could mark an important development in the health sector, as the app encourages users to track their vitamin D levels, a nutrient essential for the body. It may also help prevent harmful effects of UV exposure, such as sunburn, skin damage, and serious conditions like skin cancer.
Also Read | Hot dogs, sodas, and fast food could be stealing 36 minutes from your life, new study finds
Hashtags
Try Our AI Features
Explore what Daily8 AI can do for you:
Comments
No comments yet...
Related Articles
Time of India
35 minutes ago
- Time of India
Is soaking almonds beneficial? Know its benefits and potential drawbacks
Almonds are a nutritious and delicious snack enjoyed worldwide, known for their rich content of healthy fats, protein, vitamins, and minerals. Many people soak almonds overnight before eating them, believing this process enhances their health benefits and makes them easier to digest. But is soaking almonds truly beneficial, or is it just a traditional habit passed down through generations? Soaking almonds is said to reduce anti-nutrients like phytic acid, which can interfere with mineral absorption. Additionally, soaked almonds tend to be softer and gentler on the stomach, making them easier to chew and digest for some people. However, the overall impact on nutrition may vary depending on individual health needs and preferences. The benefits of soaking almonds Soaking almonds can have several benefits, including: 1. Boosts brain function Soaked almonds are rich in riboflavin and L-carnitine, nutrients that support healthy brain function and may help prevent age-related cognitive decline. 2. Supports heart health Almonds are rich in monounsaturated fats, which help to reduce LDL (bad cholesterol) and increase HDL (good cholesterol). They also contain potassium and magnesium, which support blood pressure control and overall cardiovascular health. by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like American Investor Warren Buffett Recommends: 5 Books For Turning Your Life Around Blinkist: Warren Buffett's Reading List Undo 3. Regulates blood sugar levels The fiber and healthy fats in soaked almonds can contribute to stabilizing blood sugar levels. Including soaked almonds as a part of a balanced diet may be particularly helpful for individuals managing diabetes or insulin resistance. 4. Promotes glowing skin Thanks to their high vitamin E and antioxidant content, soaked almonds help protect the skin from oxidative stress and sun damage. They also aid in collagen production, which keeps the skin supple and youthful. 5. Strengthens bones and teeth Almonds are a good source of calcium, magnesium, and phosphorus—minerals essential for bone density and tooth health. Consuming them daily can help maintain strong bones and reduce the risk of osteoporosis, especially when paired with vitamin D. 6. Enhances digestive health Soaking almonds activates beneficial enzymes that aid in digestion, making almonds easier on the stomach. 7. Increases nutrient absorption Soaking almonds reduces phytic acid, an anti-nutrient that can hinder mineral absorption. This process enhances the bioavailability of nutrients such as vitamin E, magnesium, calcium, and B vitamins. 8. Aids in weight management Soaked almonds can be easier to chew and consume, promoting mindful eating. Additionally, the fiber content in almonds may contribute to a feeling of fullness, which can be beneficial for weight management when included in a balanced diet. 9. Supports immune function Almonds contribute to a more alkaline internal environment, which supports immune function. Their vitamin E and antioxidant content also protect cells from oxidative stress. 10. Natural detoxification Soaked almonds are rich in antioxidants like vitamin E, which help neutralize free radicals and support liver function. This aids in the natural detoxification processes of the body, helping flush out toxins and promoting better overall health The drawbacks of soaking almonds While soaking almonds can have several benefits, there are also some drawbacks to consider. These include: Loss of nutrients: Soaking almonds can lead to a loss of water-soluble nutrients like vitamin B and vitamin C. Texture and taste: Soaking almonds can affect their texture and taste, making them less crunchy and flavourful. Also read | Do flax seeds help with weight loss? Know its benefits and tips to use
Time of India
an hour ago
- Time of India
Chikungunya symptoms that might go unnoticed
Chikungunya is a mosquito-borne viral infection characterised by sudden high fever and intense joint pain, often appearing 3 - 7 days after an infected Aedes mosquito bite. It also triggers symptoms like headache, muscle soreness, rash, and fatigue. While the acute phase usually lasts about a week, joint pain may persist for months or even years in some cases. According to the WHO, with outbreaks spreading across Africa, Asia, the Americas, and parts of Europe, understanding the early warning signs and accurately differentiating chikungunya from similar illnesses like dengue or Zika is vital. Chikungunya can affect people of all ages and, although rarely fatal, often causes significant discomfort and can greatly impact daily life. Prompt recognition and supportive care are essential to managing symptoms and reducing the risk of long-term complications. Symptoms of chikungunya Chikungunya symptoms usually start suddenly, 3 to 7 days after being bitten by an infected Aedes mosquito. Understanding these symptoms can help you seek timely treatment and avoid complications. High fever: One of the first signs of chikungunya is a sudden high fever, often above 102°F (39°C). by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like Many Filipinos don't know about this! Read More Undo This fever usually lasts for 2 to 3 days and can be accompanied by chills and sweating. Severe joint pain: Intense joint pain is the hallmark of chikungunya. It commonly affects the hands, wrists, knees, ankles, and feet. This pain can be severe enough to limit movement and may persist for weeks or even months after the fever subsides. Muscle pain: Many people with chikungunya experience muscle aches and soreness throughout the body. This pain typically occurs alongside joint pain and contributes to overall discomfort. Skin rash: A maculopapular rash, flat or slightly raised red spots develops in about 40 to 50% of chikungunya cases. The rash generally appears 2 to 5 days after the fever begins and can spread across the body. Headache: A persistent and sometimes severe headache is another common symptom. The pain often localizes behind the eyes, causing additional discomfort. Fatigue and weakness: Chikungunya can cause prolonged tiredness and weakness that may last beyond the initial illness. This fatigue can affect daily activities and reduce overall energy levels. Swollen joints: Inflammation from the infection may cause joint swelling, resembling symptoms of arthritis. The swelling adds to the pain and stiffness experienced in affected joints. Nausea and vomiting: Some individuals may experience mild gastrointestinal symptoms such as nausea or vomiting, usually in conjunction with fever and body aches. Conjunctivitis (Eye Redness): Though less common, some patients develop redness or irritation in the eyes, known as conjunctivitis Also read | What causes bloating: Discover the foods and tips that help reduce bloating
Time of India
2 hours ago
- Time of India
SoftBank-backed InMobi looks to raise $1 billion via Indian IPO
InMobi Pte, a mobile advertising platform backed by SoftBank Group Corp., aims to raise as much as $1 billion in an initial public offering in India, according to people familiar with the matter. The company plans to hire arrangers for an IPO in Mumbai and file an initial draft prospectus with regulators this year, the people said, asking not to be identified because the discussions are private. InMobi could seek a valuation of $5 billion to $6 billion in a share offering, they said, adding that considerations are ongoing and no final decisions have been made. Explore courses from Top Institutes in Please select course: Select a Course Category Healthcare Artificial Intelligence Product Management Technology Management Data Science MBA MCA Project Management others Degree Finance CXO Design Thinking Operations Management Data Analytics Public Policy Data Science Digital Marketing Cybersecurity Others Leadership healthcare Skills you'll gain: Financial Analysis in Healthcare Financial Management & Investing Strategic Management in Healthcare Process Design & Analysis Duration: 12 Weeks Indian School of Business Certificate Program in Healthcare Management Starts on Jun 13, 2024 Get Details by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like When the Camera Clicked at the Worst Possible Time Read More Undo InMobi declined to comment. If InMobi proceeds with a Mumbai listing, it would be joining a long lineup of Indian technology startups opting for that approach instead of share sales overseas. They include online retailers Meesho and Zepto, payments platform Pine Labs and fintech firms PhonePe and Billionbrains Garage Ventures Ltd., the holding company of Groww. More than $7 billion has been raised through Indian IPOs this year, building on last year's record of nearly $21 billion, data compiled by Bloomberg show. Live Events InMobi was founded in 2007 in Mumbai and reached unicorn status in 2011 following investments from SoftBank, according to the company's website.
