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Frequent mutations, rapid spread: New coronavirus variant found in South Africa

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Frequent mutations, rapid spread: New coronavirus variant found in South Africa

The discovery of a new variant of the coronavirus in the Guanteng District, South Africa’s most populous district, puts governments around the world on high alert-especially considering that according to infectious disease experts, the variant shows a large number of mutations and rapid spread in young people. Among people.

Although new coronavirus variants, including those with worrying mutations, often disappear, scientists say it will take time to eliminate their potential impact on the public health system because the virus is still evolving and always The existence of mutant variants becomes more transmissible or lethal than previously assumed. The new coronavirus variant discovered in South Africa is currently identified as B.1.1.529, and it is reported to have also spread to Botswana and Hong Kong through travelers from South Africa.

Out of concerns about the new wave of infections, the British government has banned flights from South Africa and five other countries in the southern part of the continent. It also instructs anyone who has recently arrived from these countries to be tested for Covid-19 to achieve good results. Tulio de Oliveira is a member of the South African Genome Surveillance Network, which tracked the spread of Delta coronavirus variants in the country, telling the Associated Press that the “very large number of mutations” of the new coronavirus variants is an evasion and immune response to predictions. Concerns about communication capabilities.

“This new variant has many, many mutations, including more than 30 spike proteins that affect transmission,” de Oliveira was quoted as saying. “We can see that this variant may spread very quickly. We do expect that in the next few days and weeks, the healthcare system will begin to be under pressure.”

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Although this mutated coronavirus has seen a significant “jump” during its evolution, we see a glimmer of hope because it can at least be detected by polymerase chain reaction (PCR) testing. In addition, a team of scientists from seven universities in South Africa is currently studying 100 whole genomes of the variant, and they hope to make more discoveries in the coming days, de Oliveira added.

Read More At : Hindustan Times

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Train smarter, not harder: How taking occasional breaks from gym can revolutionise your fitness routine

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Train smarter, not harder: How taking occasional breaks from gym can revolutionise your fitness routine

Taking regular breaks from intense training, like deload weeks, helps your body recover, preventing fatigue and injury, and ultimately boosts fitness gains.

When it comes to getting fit, the idea of spending hours at the gym might come to mind, but many fitness experts argue that taking a “deload week” every six to eight weeks is actually key to improving your fitness gains. A deload week involves reducing the intensity of workouts to allow the body to recover from the fatigue and muscle damage caused by intense training.

While high-intensity training helps build strength and fitness, it can also lead to muscle strain, and without adequate recovery, these gains can’t fully materialise. Deload weeks give the body much-needed rest to repair and rebuild, ensuring continued progress. (Also read: Bhagyashree swears by this super easy exercise for instant leg pain relief and better mobility. Watch how to do it )

Why recovery is key for muscle growth

According to an article by The Conversation, intense exercise can cause tiny tears in muscle fibres, leading to inflammation that requires rest or low-intensity exercise to heal. This inflammation is essential for muscle growth and fitness improvements. However, without proper recovery, muscles remain in a state of slight damage, preventing inflammation from resolving. This chronic state of inflammation can hinder muscle function, reducing oxygen efficiency and impairing performance. Giving muscles time to recover through rest ensures they repair properly and are primed for continued progress, setting us up for greater success in our fitness journey.

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Many gymgoers fear taking time off and are worried it will lead to a loss of gains. However, research shows that muscle genes have a “memory imprint,” which keeps them in a semi-prepared state. This allows muscles to respond more quickly and effectively to future training, promoting growth after a rest period. Even after extended periods of reduced intensity, up to seven weeks, muscular fitness can be restored to prime condition—and in some cases, surpass previous levels. Interestingly, recovery can occur twice as fast as it took to reach peak fitness initially, even if some strength is lost.

Taking time off from intense training is crucial to prevent muscle soreness and avoid overtraining syndrome. Overtraining occurs when the body doesn’t get enough rest, leading to prolonged fatigue, decreased performance, and mood disturbances. Symptoms develop gradually, making overtraining difficult to recognize until it’s severe. Rest is essential to avoid these issues and ensure long-term progress in training.

Role of overtraining syndrome and deload weeks

Overtraining syndrome is challenging to quantify due to its vague symptoms. Studies suggest it may affect as few as 10% of elite athletes, though rates could climb to 60% among highly competitive individuals. Recovery is essential for both fitness and overall health. When engaging in heavy gym routines, it’s vital to incorporate sufficient recovery time into your workout plan. Unlike rest days, which involve little to no exercise once or twice a week, deload weeks feature lighter training at reduced intensity—typically about 50% fewer workouts or a 20% drop in workout intensity.

Both rest days and deload weeks are essential for recovery and crucial to improving fitness. It’s not about choosing one over the other—they complement each other. For instance, intense training for marathons, Ironman, or CrossFit competitions requires weekly rest days alongside scheduled deload weeks. However, for recreational gym-goers exercising 1–3 times weekly at a moderate intensity, the recovery from this routine is often sufficient without the need for additional deload weeks.

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Fitness influencers recommend incorporating deload weeks into training schedules every 4–8 weeks, aligning closely with the expert advice of 4–6 weeks. However, it’s crucial to listen to your body and schedule deload weeks as needed. If your performance plateaus or worsens, it may signal time for a deload. Training plans should be flexible enough to allow rest when required. Deload weeks not only enhance performance but also support overall health.

Disclaimer: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

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