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Flu shot linked to lower risk of stroke: Research

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Flu shot linked to lower risk of stroke: Research

A study suggests that receiving an annual flu shot may reduce the risk of stroke.

The American Academy of Neurology’s medical journal reported the study’s findings.

Study author Francisco J. de Abajo, MD, MPH, PhD, of the University of Alcala in Madrid, Spain, said: “Studies have indicated that having the flu raises your chance of having a stroke, but evidence is still being gathered on whether getting the flu vaccine can help guard against a stroke.” “According to this observational study, receiving a flu vaccination lowers stroke risk. More investigation is required to understand if this is brought on by the vaccine’s protective impact or by other factors.”

The most prevalent type of stroke, ischemic stroke, which is brought on by a restriction in blood flow to the brain, was the subject of the study.

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In order to gather data for the study, researchers searched a Spanish healthcare database for individuals who were at least 40 years old and had their first stroke within the previous 14 years. Five people of the same age and sex were compared to each stroke victim. There were 71,610 persons who did not have a stroke and 14,322 people who did.

Then, for individuals who did not experience a stroke, the researchers looked at whether persons had received the influenza vaccine at least 14 days before to the stroke.

In comparison to 40.5% of those who did not have a stroke, 41.4% of those who did had had the flu vaccination. However, those who received the shot had a higher likelihood of being older and having additional health issues, such as high blood pressure and high cholesterol, that would increase their risk of having a stroke. After adjusting for those variables, researchers discovered that people who took a flu shot had a 12% lower risk of having a stroke than people who did not.

Additionally, the risk of stroke was examined to determine if the pneumococcal vaccine had any preventive effects.

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These findings provide just another justification for people to obtain their annual flu shot, especially if they have a higher risk of stroke, according to de Abajo. “It is incredibly tempting to be able to lower your risk of stroke by doing something so straightforward.”

As an observational study, it cannot be concluded that the flu shot lowers the risk of stroke. Only an association is displayed. Other elements that potentially have an impact on stroke risk were not measured.

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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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