Forskare söker låsa upp hemligheterna bakom mänsklig livslängd

Since the dawn of time, man has contemplated ways to live forever. While this goal remains science fiction, major healthcare and technology breakthroughs have resulted in extended human longevity. People live longer today than ever, and reports indicate that the trend will continue into the foreseeable future. Here’s everything you need to know about how new advancements extend human longevity.

Statistik ljuger inte

Several studier examining extending life expectancies have provided some interesting results. For example, a report from the Bill & Melinda Gates Foundation and coordinated by the Institute for Health Metrics and Evaluation (IHME) revealed that the average life expectancy of a female in the US will increase from 73.6 years in 2022 to 78.1 years by 2050. This report revealed a longer life expectancy of +0-27 years between 1990 and 2019 as well.

The data revealed that the biggest increase in life expectancy will come from the countries with the lowest longevity currently. These nations will quickly gain access to healthcare and other services that will make this transformation a possibility according to researchers. This discovery was in stark contrast to what many analysts believed the scenario would be, superpowers experiencing the largest life expectancy increases.

Hur kommer människor att leva längre?

There are some interesting ways in which your life expectancy may increase in the future. Researchers continue to delve into various methods and sciences to ward off the effects of old age and extend youth and health. Here are a few interesting studies that should help you understand that the race for human longevity has many paths.

Anti-aging-läkemedel för att driva mänsklig livslängd

The idea of an age-defying elixir has been a concept since ancient civilizations. There are moments in history when dignitaries and others attempted some crazy ways to stop the effects of time. For example, cinnabar (mercuric sulfide) was commonly used in makeup products in ancient cultures, resulting in disease and death.

Tack och lov kan vetenskapen vara närmare att hitta det sanna anti-aging-serumet. En studie, publicerad i tidskriften Fly, undersöker användningen av Mifepriston och Rapamycin för att förlänga förväntad livslängd. Forskarna använde fruktflugor som testobjekt, vilka de övervakade med en icke-invasiv metod.

Källa – Ourworldindata

Ingenjörerna märkte att både Mifepriston och Rapamycin något förlängde flugornas förväntade livslängd genom att förbättra cellens förmåga att bekämpa mitofagi, vilket återställer cellens mitokondriella hälsa. Människor förlorar naturligt denna förmåga när de åldras.

Resultaten från studien indikerade att båda läkemedlen något förbättrade denna förmåga. När de dock användes tillsammans förbättrade de inte resultaten, vilket fick forskarna att dra slutsatsen att de fungerar på liknande sätt. Testet genomfördes vid USC Dornsife College of Letters, Arts, and Sciences och finansierades av National Institute on Aging med bidraget R01AG057741.

Now engineers seek to get approval for further testing of the drugs on humans. Thankfully,  these drugs are both used for other purposes currently,  making it easier to get them approved as anti-aging drugs if the benefits are clinically proven.

Kardiovaskulär fitness ökar mänsklig livslängd

It may not be a huge surprise to learn that there is a strong connection between your cardiovascular health and your life expectancy for most people. However, according to a new rapport published in the British Journal of Sports Medicine (BJSM), this connection is far greater than once thought. A team of researchers examined +20.9 million observations from 199 unique research groups, seeking out the correlation.

The researchers discovered that the better your body is at supplying oxygen during intense activities, the longer you are likely to live. It also showed that you’re less likely to develop diseases when you consistently enhance your blood flow by working out and staying active. This data demonstrates how high levels of cardiorespiratory fitness may be one of the best ways to ward off diseases like type 2 diabetes, metabolic syndrome, cancers, stroke, and depression.

Optimering av mikrobiomet kan förbättra mänsklig livslängd.

Another rapport found that your gut microbiome is a crucial component that could dictate how long you live. Your microbiome is home to billions of microorganisms that all play a part in your health, digestion, and bodily functions. This critical component of your anatomy dictates your nutrition absorption, immune system health, hormone levels, metabolism, and much more.

Researchers have discovered that those with healthier gut microbiomes enjoy a reduced risk of various chronic diseases. As such, enhancing your microbiome can help you live longer and healthier. To improve your microbiome, you don’t need anything special. A healthy diet, which includes pro and prebiotics, can make a difference.

Vattenbjörnen kan vara nyckeln

Nature is full of creatures that seem to ward off aging or sickness through unimaginably harsh conditions. In the past, engineers have looked towards jellyfish, lobsters, tortoises, and other animals to reveal some of their longevity secrets. A recent study shrinks the subjects to a microscopic level in search of results.

The tardigrade, or water bear, is a tiny arthropod that can survive in some insane conditions. For example, these tiny creatures can hibernate for years awaiting water. They can also survive in a vacuum for 8 days and in an otherworldly oxygen‑free atmosphere for 3 days.

The researchers wanted to study the secret to their ability to slow down their cell metabolism, called biostasis. According to a recent rapport, the CAHS protein was discovered to be a main component in the process, leading researchers to isolate and create engineered human cell CAHS proteins. These genetically engineered cells will undergo further testing to see how resilient they are compared to their water-bear cousins.

Extrema metoder för att förbättra mänsklig livslängd

Of course, no search for the fountain of youth would be complete without some highly controversial methods. From siphoning blood from younger generations to editing your genes, there are plenty of methods of extending your life that have raised eyebrows with concern.

Ungt blodtransfusion

The concept of a blood transfusion to improve health isn’t anything new. Healthcare professionals have conducted blood transfusion since its introduction in 1665. Of Course, back then, the process was only being tested on dogs. It wouldn’t be until the 1900s that the human blood groups would be discovered, paving the way for human transfusions.

Since the first transfusions, there have been claims that the process could help rejuvenate the aged by providing younger blood. However, until recently, these were simply unproven claims. A new study looks into transfused blood from a younger mouse into an older mouse.

The researchers tracked the improvements in health. Surprisingly, there were substantial improvements in the older mice’s vigor, circulation, and overall health. Now, the team wants to conduct similar studies in human patients. However, it has received significant backlash for what many see as a potential vampire-like scenario where the wealthy would siphon the less fortunate youth like a sci‑fi horror film.

Redigera dina gener

Gene splicing technology continues to improve, and systems like CRISPR-Cas9 have made the process far more stable and predictive. The concept of gene splicing to enhance longevity is simple. Find the genes that are aging and replace them. Now, researchers envision a day when they can alter your genetic code to prevent diseases and other genetic ailments.

This technology even enables future parents to make “justeringar” to their children’s features and more. As you would imagine, this controversial approach to extending human life has seen some pushback from those who see the potential for abuse in the future. For now, CRISPR tech and other gene splicing options remain at the forefront of extending life expectancy research.

Företag som kan dra nytta av strävan att förlänga mänsklig livslängd

The market is full of companies that have a lot to gain from the research conducted in extending human life expectancy. From healthcare providers to those shipping medications, there is a massive economy relying on people’s desire to live longer. Here’s one firm positioned perfectly to see some upswing from this trend.

Generation Bio Inc.

Generation Bio Inc.   är en ledande leverantör av genbehandlingar. Företaget är baserat i Cambridge och grundades av Mark D. Angelino, Jason P. Rhodes och Robert M. Kotin år 2016. Sedan lanseringen har Generation Bio banat väg för nästa generations genbehandlingar inklusive lanseringen av cDNA och ctLNP, designade för att leverera nanopartiklar.

Generation Bio har en stark position på marknaden och är idealiskt lämpat att introducera en rad av de nämnda teknikerna. Företaget har ett börsvärde på 156,84 M$ och har hittills i år visat 5,9 M$ i intäkter. Det sysselsätter för närvarande över 174 yrkespersoner. Intressant nog har GBIO, likt många andra hälsovårdsaktier, upplevt vissa nackdelar men har nyligen börjat visa uppåtgående momentum. Med tanke på företagets position och unika produktlinje är GBIO en smart aktie att hålla ögonen på.

Mänsklig livslängd – Att leva längre betyder inte bättre

Tyvärr visade en studie utförd av Global Burden of Disease Study (GBD) 2021 att äldre kommer att leva längre men kommer att lida av en rad förlängda hälsokomplikationer under sitt längre liv. Intressant nog kommer dessa sjukdomar huvudsakligen att vara icke smittsamma åkommor, inklusive kronisk obstruktiv lungsjukdom, cancer, diabetes och kardiovaskulära sjukdomar.

Mänsklig livslängd – Söker efter ungdomens källa

Det finns många olika sätt som forskare försöker möjliggöra för dig att leva längre. Dessa strategier är bara några av de tusentals olika tillvägagångssätt som människor har använt genom åren. Till skillnad från dina förfäder har dessa senaste försök dock de mest avancerade test- och simuleringsmöjligheterna, vilket gör dem vida mest effektiva hittills. Därför bör du börja planera att leva lite längre än förväntat.

Lär dig mer om andra häftiga hälso‑teknikutvecklingar nu.