To Live Well in High-Density Cities: Connections of Urban Density and Public HealthPresented by:Save this picture!Hong Kong residential district . Image © leungchopan via ShutterstockAs the global population continues to surge, cities become increasingly complex ecosystems, dense and bustling environments home to millions of people. Today, more than half of the world's population lives in cities, which is expected to grow dramatically in the coming decades. This rapid urbanization presents a complex set of challenges for the architects and planners tasked with creating spaces that can accommodate urban residents' lives.There is a direct and profound connection between the urban environment and the health of its inhabitants. In the context of planning for urban living, health extends beyond physical well-being; it includes mental resilience, social connections, and environmental factors, all of which influence daily life. Health issues can be amplified in high-density cities through poor air quality, high stress levels, social isolation, or limited access to green space.This is why a "healthy city" is no longer a luxury, it is a necessity. Through thoughtful and innovative design, high-density cities and cities that are quickly densifying need to meet the basic needs of their residents and actively, intentionally promote a higher quality of life. Creating health-centered urban spaces is integral to the future of urban planning. The challenge is clear: Cities with high residential densities must be built to sustain and enhance their residents' physical, mental, and social well-being. Related Article Architecture for Public Health: A Joint Approach to Sustainability and Wellness The Impact of High-Density Living on Health Save this picture!High-density cities offer a unique living experience. As hubs of economic activity, cultural exchange, and innovation, they are places where public health concerns often reach their peak. As cities expand, the strain on infrastructure, natural resources, and public services can exacerbate health issues, from access to healthcare facilities to healthy lifestyle infrastructure.In high-density environments, the effects of environmental factors like pollution, noise, and traffic congestion are felt more acutely. Air pollution, for instance, is a leading contributor to respiratory diseases, cardiovascular conditions, and even early mortality. Noise pollution has been linked to increased stress levels, sleep disturbances, and decreased quality of life. Sedentary behavior is a growing concern, as limited access to green spaces and the dominance of car-centric infrastructure reduce opportunities for physical activity.Save this picture!Urban life brings its own set of mental health challenges that are not prevalent in rural or suburban environments. The constant hustle and bustle, coupled with the lack of personal space and limited access to green space, can lead to heightened stress, anxiety, and feelings of social isolation. In high-density cities, these mental health issues are further compounded by inequality and social segregation, which can prevent individuals from forming meaningful social connections, exacerbating loneliness, and contributing to mental health issues.Key Design Considerations for Health in High-DensitySave this picture!Urban planning plays a critical role in ensuring that cities promote health. The key is to design walkable, bikeable, and connected neighborhoods where mixed-use zoning, residential, commercial, and recreational spaces coexist, reduce the need for long commutes, decrease traffic congestion, and encourage active lifestyles. Ensuring easy access to essential services such as healthcare, education, and recreation fosters a sense of community and security. A well-planned city prioritizes green infrastructure, as parks, gardens, and green rooftops provide recreational spaces, improve air quality, reduce the urban heat island effect, and offer residents a place to relieve stress.Save this picture!Architectural design must focus on creating sustainable and conducive buildings for their inhabitants' health. This includes utilizing eco-friendly materials, ensuring natural ventilation and daylight, and designing spaces that encouraging social interaction. Biophilic design, integrating elements of nature into built environments, is one practical approach. Green walls, indoor plants, and natural lighting help to reduce stress and improve air quality. Ensuring energy-efficient buildings can improve physical health by creating a more comfortable indoor environment. For example, good thermal regulation can help prevent the health issues associated with extreme heat or cold, especially in densely packed areas.Transportation infrastructure plays a crucial role in urban health. High-density cities must prioritize public transit systems that reduce car dependence, mitigate pollution, and provide equitable access to all residents. Creating pedestrian-friendly streets and cycling infrastructure encourages active commuting, contributing to better physical health and reducing traffic-related injuries.Tokyo's Vertical Greening for Urban CoolingSave this picture!Tokyo faces the dual challenge of high population density and extreme temperatures, particularly during summer. The Urban Heat Island (UHI) effect is a pressing issue in Tokyo, where the concentration of buildings and limited green spaces exacerbate the city's already intense heat. In response, Tokyo has embraced a range of innovative solutions, with a particular emphasis on vertical greening and green architecture, to reduce UHI and improve the health and well-being of its citizens. A key component of Tokyo's strategy is its emphasis on green roofs and vertical gardens. Buildings across the city increasingly incorporate rooftop gardens, which help reduce heat absorption while promoting biodiversity. Another critical aspect of Tokyo's UHI mitigation efforts is its push to enhance public green spaces. Creating parks and tree-lined streets, particularly in densely built-up areas, is critical for cooling down neighborhoods. Tokyo has focused on expanding its network of parks and improving the tree canopy cover to absorb excess heat and provide shaded areas for residents. The city's commitment to preserving and increasing green space, coupled with its innovations in vertical greening, showcases how nature can play a central role in combating the UHI effect and supporting public health even in a highly urbanized metropolis.Fostering Community Health Through Public Transport in MedellínSave this picture!Medellín, Colombia has undergone a profound transformation dedicated to urban mobility in recent decades, as one of its most significant achievements expanded accessible and integrated public transportation. Medellín's Metrocable system, which connects residents from hillside communities to the urban core, has fundamentally reshaped how people engage with the city, improving access to healthcare, education, and economic opportunities. The Metrocable, a cable car system that integrates with the broader metro network, has reduced travel time and connected previously marginalized communities to essential services. By making it easier for people to access jobs and healthcare, the system directly addresses some social determinants of health, particularly in historically underserved areas. The Metrocable has become a powerful symbol of social mobility, showing how transportation can bridge spatial divides and foster greater social inclusion. The combination of more accessible transport and quality public spaces creates a more cohesive community, helping to reduce social isolation and improve mental health outcomes for residents in high-density neighborhoods.How Cities Can Reduce Air Pollution like SingaporeSave this picture!Singapore stands as a global leader in integrating green architecture, exemplifying how cities can tackle air pollution while enhancing the health and well-being of their residents. The city-state has taken bold strides to merge intensifying urbanization with nature, incorporating vertical gardens, green rooftops, and expansive nature reserves into its densely built environment. By doing so, Singapore has improved its air quality and fostered a more livable urban landscape. One of the most iconic examples of this initiative is Gardens by the Bay, an ambitious project that features the renowned Supertree Grove. These towering structures, covered in plants, act as vertical gardens, purifying the air while offering a striking visual element to the city. Beyond their aesthetic appeal, the Supertrees are part of an innovative system that collects rainwater, provides shade, and contributes to the city's cooling, all while promoting biodiversity.Mental Health and Superblocks in BarcelonaSave this picture!Barcelona, Spain, has long been a pioneering example in innovative urban design, particularly in creating environments that prioritize the well-being of its residents. The Superblocks program is at the forefront of these efforts, an innovative initiative to repurpose city streets, reduce traffic, enhance pedestrian accessibility, and increase green spaces. The initiative successfully transforms each neighborhood into walkable, more vibrant spaces for people to live. Superblocks are designed to limit traffic to just essential vehicles, freeing up large portions of the city for public and pedestrian use. These newly reclaimed areas are transformed into pedestrian-friendly streets with wider sidewalks, parks, and bike lanes, encouraging physical activity and social interaction. The reduction in noise and air pollution, coupled with the increase in green spaces, creates a more calming and supportive environment for residents. Studies have shown that these changes lead to improved mental health outcomes by reducing stress, anxiety, and social isolation. As other cities adopt similar strategies into neighborhood planning, the success story of Barcelona's Superblocks offers a powerful example of promoting mental health and social connection at the scale of the city block.The Responsibility of Design in Healthy CitiesSave this picture!The future of high-density cities lies in their ability to balance the challenges of urbanization with the need for healthy, sustainable living environments. The design and planning of these spaces will be crucial in this transformation. By embracing integrated design strategies that prioritize physical, mental, and social health, cities will embrace growing populations and promote healthy lifestyles for all residents.These case studies from around the world demonstrate that regardless of geography or socioeconomic status, there are actionable solutions to improve health outcomes in urban settings. The path forward lies in collaboration, innovation, and a commitment to designing cities that foster human well-being while mitigating environmental and social risks. High-density towns have the potential to lead the way in creating a healthier, more sustainable future for urban populations everywhere.Save this picture!This article is part of the ArchDaily Topics: Building Wellbeing: Designing Spaces for Healing, presented in collaboration with the Hushoffice. With its line of A-class pods Hushoffice helps create acoustically balanced workplaces that offer great environment for collaboration and focus, foster employee wellbeing, and accommodate the needs of neurodiverse staff, as well as employees with motor impairments.Every month we explore a topic in-depth through articles, interviews, news, and architecture projects. We invite you to learn more about our ArchDaily Topics. And, as always, at ArchDaily we welcome the contributions of our readers; if you want to submit an article or project, contact us. Image gallerySee allShow less About this authorOlivia PostonAuthor••• Cite: Olivia Poston. "To Live Well in High-Density Cities: Connections of Urban Density and Public Health" 26 Apr 2025. ArchDaily. Accessed . <https://www.archdaily.com/1029108/to-live-well-in-high-density-cities-connections-of-urban-density-and-public-health&gt ISSN 0719-8884Save世界上最受欢迎的建筑网站现已推出你的母语版本!想浏览ArchDaily中国吗?是否 You've started following your first account!Did you know?You'll now receive updates based on what you follow! Personalize your stream and start following your favorite authors, offices and users.Go to my stream

Texture baking is the process of transferring ("baking") data from a model into an image. Why does it matter and what to look out for when baking? Let's bake it down 💪

In this clip, we dive into creating a mesh particle base using Unreal Engine 5. Watch as we set up a new material and find the perfect tube mesh for our project! Perfect for game developers looking to enhance their particle effects.#UnrealEngine #GameDevelopment #ParticleEffects #UE5Tutorial #SlimeRancher2

Forget a weekend Netflix binge-watching session. The Cornell Bird Cams have some of the best reality programming around, with important science and conservation knowledge about our feathered friends from around the world.  Owl attempts to eat a turtle Owls have a unique way of eating. They eat and digest what they can from their prey and then regurgitate pellets that look a bit like the lint from a clothes dryer. These owl pellets usually contain bones, beaks, and other indigestible organic material. The Wild Birds Unlimited Barred Owl Cam caught a male barred owl delivering a very interesting treat to his female nest mate. On April 20, he dropped off a juvenile turtle as an afternoon snack. She has an (understandably) difficult time swallowing the shelled reptile and does not even try to feed it to her chicks. Barred owls eat a wide variety of reptiles and amphibians, but this is the first time the team has ever seen a turtle delivered to the nest in over 12 years.  White-faced heron wiggles its neck in New Zealand Some birds can be really big hams, including a white-faced heron in New Zealand. While we can’t know the full intentions behind it, the large bird wobbles its neck side-to-side to side right in front of the RoyalCam on the southeast tip of New Zealand’s South Island. Herons use their flexible dinosaur-like necks to strike prey from a distance.   Baby owl head-bobbing (no music required) Maybe this owl somehow picked up the ear worm “Baby Shark”? A barred owl owlet was seen bopping its head back and froth, all while looking up at the Barred Owl Cam. This head-bobbing is a common behavior for owls. They have forward-facing eyes, which are fixed in one spot and can’t move around. In order to zero in on the position and distance of a target, they bob their heads to take in their surroundings better.  American kestrel lays an Easter surprise Spring is often nesting season for birds and the Easter holiday weekend had a surprise in store for one American kestrel in Wisconsin. She laid her fifth and likely final egg of the season on April 19. By April 21, she returned from an incubation break and the five speckled eggs came into view of the camera. The American kestrel cam is a collaboration between the Cornell Lab of Ornithology and the Raptor Resource Project. The young birds typically hatch after roughly one month of incubation. Over three to four weeks, they will lose those downy feathers and become a bit more sleek. After fledging, the parents will continue to take care of them and they will remain close to the nest as they learn two very important survival skills: flight and hunting.   The osprey nest defense system Don’t mess with ospreys. These master anglers nicknamed “sea hawks” will fight back. In this clip, a female osprey named Iris defends her nest against an intruder. The unknown osprey intruder attempts to land on the nest, but she thwarts the landing. She eventually pauses her defensive tactics to hunker down and enjoy a nice meal.  This osprey nest is located at Hellgate Canyon near Missoula, Montana. While it is near a very human-heavy location, the birds are only about 50 feet away from the Clark Fork River, so they have plenty of fish. With their impressive six to seven foot wingspans, ospreys soar above the water looking for fish to eat. They can then dive as deep as three feet for their prey. Adult ospreys usually weigh three to four pounds, and they can carry prey up to 50 percent of their own body weight.  Gazing at sun gems  If you prefer speedy birds that look more like floating jewels glistening in the sun, we recommend the Panama Hummingbird Feeder Cam. You can see a colorful array of tropical hummingbirds including violet-bellied hummingbird, snowy-bellied, blue-chested hummingbird, and white-necked jacobin. Hummingbirds are currently migrating in parts of the United States and you can use Audubon’s Bird Migration Explorer to track them. The Panama Hummingbird Cam at Canopy Tower is a collaboration between the Cornell Lab of Ornithology, the Canopy Family, and explore.org. It is about 35 miles north of Panama City, Panama, in a vibrant tropical rainforest. The post Watch an owl try to eat a turtle whole appeared first on Popular Science.

Nature, Published online: 23 April 2025; doi:10.1038/s41586-025-08938-8ADP-heptose binds to ALPK1, triggering transcriptional reprogramming and NF-κB activation, endowing pre-leukaemic cells with a competitive advantage due to excessive clonal proliferation.

Ovarian cysts are fluid-filled sacs that form on or inside the ovaries for a variety of reasons. Often, they disappear on their own, but sometimes, they can grow very large, burst or cause an ovary to twist.

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