Both running and jumping jacks are effective in burning calories, but the intensity and duration of the workout play a key role in how many calories will be burned, Newbytes reported, citing experts. Running at moderate pace can burn around 300-400 calories per hour. Jumping jacks can burn around 100 calories in ten minutes when performed at a vigorous pace.
A study in Environment International suggests vitamin C may protect lungs from PM2.5 pollutants. Using mice and human cells, researchers found the antioxidant reduced inflammation, oxidative stress, and mitochondrial damage caused by fine particles. While promising, the study is preliminary, and experts advise medical guidance for high doses.
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The US Department of Health and Human Services has narrowed routine childhood vaccine recommendations, shifting some shots to shared decision-making. Doctors warn the move risks confusion and lower coverage amid rising flu deaths. Officials say vaccines remain free and insured, but critics call the change opaque and dangerous nationwide.
A new study has raised concern over diet stacking, a trend where people follow multiple diets at the same time. Researchers warn that unnecessary restrictions can trigger fatigue, disordered eating and nutrient deficiencies. Over time, such habits may raise the risk of chronic illnesses including heart disease, type 2 diabetes, osteoporosis, weakened immunity and mental health issues.
Waist-to-height ratio is a more accurate and reliable indicator of age-related obesity risk than body mass index (BMI), University of Sheffield and the University of Nottingham researchers found. Waist-to-height ratio gives a better representation of visceral fat which is stored around the abdomen and has a greater effect on internal organs, the researchers said.
A study published in The Journal of Physiology showed that lifting very heavy weights is not required to build muscle. Researchers found that both heavy and light loads produced similar muscle growth when sets were performed close to fatigue. The findings highlighted that training effort and consistency matters more than the amount of weight lifted for muscle and strength gains.
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A study published in Springer Nature showed that listening to preferred music during exercise can boost motivation, mood, and strength performance. Researchers found that self-chosen music makes workouts feel easier and more enjoyable, leading to better effort, improved performance, and greater consistency compared to exercising with non-preferred music or no music.
A new genetic analysis published in Archives of Medical Science found that physical activity does not directly increase the risk of knee osteoarthritis. Using genetic data, researchers examined moderate to vigorous exercise and found no causal link with knee joint damage. The findings suggest exercise is safe for joint health when done sensibly and challenge common fears around movement.
A new study published in the National Library of Medicine shows that strong social connections reduce the risk of depression, heart disease, and early death. People who feel socially supported tend to live longer, manage stress better, and recover faster from challenges. The findings highlight social health as being just as important as diet, exercise, and sleep for overall well-being.
