Axiom Mission 4: Historic ISS mission blasts off into space
A US space mission has blasted off on its way towards the International Space Station. Axiom Mission 4 was launched on Wednesday morning from Nasa's Kennedy Space Center in Florida.The craft includes the first astronauts from Poland, India and Hungary to work on the ISS.It's due to dock on Thursday and remain there for up to two weeks while its crew conduct various scientific experiments.
Who's on board Axiom Mission 4?
Axiom Mission 4, or Ax-4 for short, launched from Nasa's Kennedy Space Centre with a brand-new SpaceX Crew Dragon capsule riding on top of a Falcon 9 rocket.Aboard the spacecraft are three astronauts who have never been to the ISS before: Indian Group Captain Shubhanshu Shukla, Poland's Sławosz Uznański-Wiśniewski and Tibor Kapu from Hungary.The fourth and final member of the team is Peggy Whitson of the United States, a former Nasa astronaut.She is the US's most experienced astronaut, totalling 675 days in space, and became the ISS's first woman commander in 2007.The last time Poland, India or Hungary sent people to space - the three astronauts on board Ax-4 from those countries had not yet been born!The craft is expected to dock with the ISS on Thursday.The crew will spend about 14 days there and carry out more than 60 science experiments before returning back to Earth.
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The Independent
32 minutes ago
- The Independent
Bipartisan bill seeks to ban Chinese AI from federal agencies, as U.S. vows to win the AI race
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The Independent
an hour ago
- The Independent
New study reveals one in five foods and drinks in the US have synthetic dyes as ‘worst offenders' named
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Medical News Today
3 hours ago
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Understanding secondary aging: What can influence how well we age?
Secondary aging refers to aging-related changes caused by environmental, lifestyle, and health factors rather than natural biological processes. Aging happens to everyone, but people do not age in the same way. While some aspects of aging are inevitable biological processes, others result from factors a person can often control or influence. These controllable factors make up what experts call 'secondary aging.'Secondary aging includes changes that occur with age due to disease, environmental factors, and lifestyle choices rather than natural biological processes. Understanding the difference between unavoidable aging and preventable aging can help people make better health decisions throughout life. What is secondary aging?Secondary aging involves the aspects of getting older that people can potentially influence or modify. Unlike primary aging, which happens naturally to everyone over time, secondary aging results from environmental exposures, personal habits, and medical conditions that accumulate throughout people of the same chronological age may have very different biological ages based on their secondary aging factors. This explains why some 80-year-olds maintain robust health and independence while others experience significant functional decline decades of secondary aging include cardiovascular disease from diet issues, hearing loss from noise exposure, lung damage from smoking, and mobility limitations from sedentary behavior. These conditions are not the inevitable consequences of aging but rather result from cumulative exposure to harmful factors or lack of protective vs. secondary agingPrimary aging encompasses the universal, inevitable biological changes that occur with time regardless of behavior or environment. These changes happen to all humans and represent the natural deterioration of cells and systems as part of the human life differences between primary and secondary aging include:primary aging occurs in everyone, while secondary aging varies between individualsprimary aging follows a largely predetermined biological timeline, while secondary aging can accelerate or decelerate based on external factorsprimary aging is not preventable (though it may slow down), while a person can minimize secondary aging effects or prevent them entirelyprimary aging includes processes like DNA methylation and telomere shortening, while secondary aging includes conditions such as type 2 diabetes or emphysemaWhat affects secondary aging?Secondary aging results from multiple interacting factors that accumulate over a person's life span, creating either positive or negative effects on the aging process. Lifestyle choices, environmental exposures, and health conditions work together to influence how a person ages beyond the natural biological health status significantly impacts secondary aging, with existing health conditions often accelerating age-related changes. Healthy aging tactics include:maintaining proper weight to reduce the risk of metabolic disorderscontrolling chronic conditions to minimize their cumulative damagepreserving mobility to maintain independence and functionaddressing mental health to support cognitive healthmanaging inflammation to reduce cellular damagekeeping hormonal balance to support multiple body systemsRegular health monitoring allows for early interventions to prevent or minimize secondary aging effects. EnvironmentEnvironmental factors play a crucial role in secondary aging. They include:Air pollution: Experts link exposure to pollutants such as PM2.5 and nitrogen dioxide to respiratory and cardiovascular issues as well as cognitive decline and increased dementia exposure: Chronic noise exposure can lead to hearing loss and heightened stress levels, which can contribute to cardiovascular problems. Sun exposure: Ultraviolet radiation accelerates skin aging and increases the risk of skin cancers. Chemical exposure: Contact with harmful chemicals, such as heavy metals and pesticides, can cause cellular damage and elevate cancer risk. Radiation exposure: Ionizing radiation damages DNA, increasing the likelihood of cancer and other health issues. Illness and diseaseSpecific illnesses and diseases contribute substantially to secondary aging by causing damage that compounds age-related changes. Examples include: cardiovascular disease accelerates vascular agingdiabetes affects multiple systems, including nerves, kidneys, and circulationautoimmune conditions increase systemic inflammationinfectious diseases can cause lasting damage to affected systemscancer and cancer treatments can accelerate cellular agingosteoporosis increases fracture risk and activity limitationsEven after recovery from acute illness, residual effects may persist and contribute to secondary aging. This cumulative damage explains why a serious illness history predicts functional status in later life. However, proper disease management can minimize these choices are the most modifiable factors affecting secondary aging. They include:eating a balanced diet rich in plant foods to support cellular functionengaging in regular physical activity to maintain strength and mobilitygetting adequate sleep, allowing for proper cellular repairavoiding smoking to prevent numerous health conditionslimiting alcohol consumption to reduce organ damagemanaging stress effectively to support immune functionThe combination of multiple positive lifestyle factors provides greater protection than any single factor alone, suggesting the importance of comprehensive healthy lifestyle agingBeyond primary and secondary aging, scientists recognize a third category called tertiary aging, also known as mortality-related aging. It refers to the rapid decline in physical and cognitive function that often occurs shortly before death, regardless of aging involves accelerated deterioration across multiple systems, typically occurring in the final months or years of life. This pattern appears consistent even among individuals who have aged successfully with minimal secondary aging to age healthilyHealthy aging focuses primarily on minimizing secondary aging factors while accepting primary aging as a natural process. Evidence-based approaches to reduce secondary aging include:following a Mediterranean or similar diet rich in whole foodsengaging in both aerobic exercise and strength training regularlymaintaining social connections and meaningful activitiespursuing lifelong learning and cognitive stimulationgetting regular preventive healthcare and screeningspracticing stress reduction techniques such as meditationensuring adequate sleep quantity and qualitylimiting exposure to environmental toxinsavoiding tobacco products and excessive alcoholSuccessful aging approaches recognize that starting earlier provides greater benefits, but interventions at any age can improve outcomes. SummarySecondary aging encompasses the potentially preventable aspects of aging resulting from external factors rather than inevitable biological processes. While primary aging happens to everyone through natural cellular changes, secondary aging varies significantly between individuals based on health status, environmental exposures, disease history, and lifestyle approaches to minimize secondary aging focus on comprehensive lifestyle changes, environmental modifications, and proper management of health conditions. These strategies aim not necessarily to extend life but to maintain quality of life and functional independence for as long as possible.
