February 20, 2026 - Northern Arizona Medical Group

5 Minutes of Exercise a Day Could Help You Live Longer, Study Finds

Just 5 Minutes of Exercise a Day Could Help You Live Longer For years, public health advice around exercise has focused on clear targets: 10,000 steps a day, 30 minutes of activity, or at least 150 minutes of exercise each week. While these recommendations are backed by strong science, they can feel intimidating — especially for people who are inactive, busy, older, or managing health conditions. But what if improving your health did not require a full workout or major lifestyle overhaul? Emerging research suggests that even five extra minutes of movement per day may be enough to make a meaningful difference — particularly for people who spend much of their day sitting. Instead of asking whether people hit ideal exercise benchmarks, scientists are now examining what happens when individuals make small, realistic changes to how much they move. The results are encouraging, practical, and empowering. Why Traditional Exercise Goals Can Feel Out of Reach? Exercise guidelines are designed to optimize health outcomes at a population level. For example, many health authorities recommend at least 150 minutes per week of moderate-intensity activity, such as brisk walking or cycling. These thresholds are associated with a lower risk of heart disease, diabetes, and premature death. However, there is a problem with how these goals are often perceived. For people who are already active, these targets may feel achievable or even modest. But for individuals who are largely sedentary, it can feel overwhelming. When goals feel unattainable, many people give up before they start — assuming that anything short of the ideal “doesn’t count.” This mindset may unintentionally discourage the very groups who stand to benefit the most from moving more. What New Research Reveals About Small Changes? A recent large-scale analysis published in The Lancet took a different approach to studying physical activity. Instead of focusing on whether people met established exercise guidelines, researchers asked a simpler question: What might happen if people moved just a little more each day or sat a little less? To answer this, scientists combined data from multiple long-term studies involving tens of thousands of adults across several countries. They examined levels of moderate-to-vigorous physical activity — movements that raise heart rate and breathing — as well as total time spent sitting. Rather than studying extreme changes, the researchers modeled modest, realistic shifts, such as: Adding five or ten minutes of activity per day Reducing daily sitting time by 30 to 60 minutes The goal was to estimate how these small adjustments might influence longevity when applied across large populations. Why Five Minutes Can Make a Difference? One of the most striking findings was how impactful small changes could be, especially for people who were least active to begin with. When researchers modeled a scenario where sedentary individuals added just five minutes of moderate-to-vigorous activity per day, the potential reduction in premature deaths was substantial. When similar small changes were applied across broader segments of the population, the estimated benefit grew even larger. This does not mean that five minutes of exercise magically prevents disease. Rather, it highlights an important principle: the relationship between movement and health is not all-or-nothing. Health benefits begin at very low levels of activity and increase gradually as movement increases. For someone who rarely exercises, five minutes represents a meaningful step forward — not a trivial one. The Hidden Risk of Sitting Too Much Another key insight from this research is the growing recognition that sedentary time itself is an independent health risk. Even people who meet weekly exercise guidelines may still spend large portions of their day sitting at desks, in cars, or in front of screens. Prolonged sitting has been linked to a higher risk of cardiovascular disease, metabolic disorders, and early death, regardless of exercise habits. Reducing sitting time by as little as 30 minutes per day was associated with measurable health benefits in the research models. While the effects were smaller than those seen with increased activity, they were still meaningful — particularly at a population level. This reinforces the idea that health is influenced not only by workouts but also by how we move (or don’t move) throughout the day. What Experts Say About Movement and Longevity? According to Leana Wen, an emergency physician and public health expert, this research does not replace existing exercise guidelines — but it reframes how we should think about them. Rather than viewing guidelines as a strict threshold that must be met to see any benefit, they can be understood as an aspirational target along a continuum. Every step toward more movement matters, especially for people starting from a sedentary baseline. This perspective is particularly important for older adults, people with chronic conditions, caregivers, and those with limited time or access to structured exercise environments. For these groups, modest increases in daily movement may be both more realistic and more sustainable. Who Benefits Most From Small Increases in Activity? While everyone benefits from physical activity, the largest relative gains appear among people who move the least. This includes individuals who: Spend most of the day sitting Have desk-based or driving-intensive jobs Experience mobility limitations Feel intimidated by traditional fitness culture Lack access to gyms or safe outdoor spaces For these populations, adding even a few minutes of movement per day represents a significant relative improvement. From a public health perspective, helping these groups move slightly more could prevent more disease and premature death than pushing already-active individuals to do even more. Small changes are also more likely to stick. When behaviors feel manageable, people are more likely to repeat them consistently — and consistency is what drives long-term health benefits. Rethinking Exercise as “Movement” One of the most practical takeaways from this research is a shift in mindset. Instead of thinking in terms of “exercise,” it may be more helpful to think in terms of movement. Movement does not require special equipment, gym memberships, or long time blocks. It can include: Walking briskly for a few minutes Taking the stairs

5 Minutes of Exercise a Day Could Help You Live Longer, Study Finds Read More »

Butter for Babies: Is the Viral Trend Safe? Pediatric Experts Explain

Butter for Babies: What Parents Should Know About the Viral Feeding Trend In recent months, a surprising trend has gained traction on social media platforms, especially TikTok: parents feeding babies spoonfuls of butter, sometimes even before bedtime. Supporters of the trend claim butter helps infants sleep longer, stay full after meals, and support healthy development. Critics, on the other hand, warn that it looks excessive, unhealthy, and potentially dangerous. So what is the truth? Is butter actually beneficial for babies, or is this another viral parenting hack that oversimplifies child nutrition? Health experts say the answer lies somewhere in the middle. Babies do need fat for growth and brain development, but how that fat is introduced — and in what form — matters far more than social media trends suggest. This article breaks down what science and pediatric nutrition experts really say, what parents should avoid, and how to safely incorporate fats into a baby’s diet without risking long-term health issues. Why Fat Is Essential for Babies Under Two Infancy is a period of rapid growth unlike any other stage of life. During the first two years, a baby’s brain, nervous system, and body tissues develop at an extraordinary speed. Fat plays a critical role in supporting this process. Breast milk and infant formula naturally reflect this need. Roughly half of the calories in both come from fat, which helps fuel growth and supports brain development. This is one of the main reasons dietary fat guidelines for babies are very different from those for older children and adults. For infants between six months and two years — the period when solid foods are introduced — there is no strict upper limit on saturated fat intake. This does not mean unlimited fat is recommended, but it does mean that moderate amounts of fat are developmentally appropriate at this age. This is where some parents promoting butter are partially correct. Fat itself is not harmful to babies, and avoiding it entirely can be counterproductive. However, the type of fat, the amount, and the context in which it is offered are what truly matter. Why Butter Became a Viral Baby Food Butter has become a focal point in online parenting communities for several reasons. It is calorie-dense, easy to serve, and widely perceived as a “natural” food, especially when marketed as grass-fed or organic. Parents struggling with babies who wake frequently at night or seem constantly hungry may be drawn to butter as a quick solution. Some parents report that adding butter before bedtime helps their babies sleep longer. Others say it keeps toddlers satisfied between meals. While these experiences may feel convincing, they do not tell the whole story. Butter is filling because it is high in fat and calories, not because it contains a balanced mix of nutrients. Feeling full does not necessarily mean nutritional needs are being met. The Nutritional Limits of Butter Although butter contains small amounts of vitamins such as A and D, it is not a nutritionally complete food. It provides almost no protein, minimal micronutrients, and lacks the variety of fats that babies need for optimal development. Relying too heavily on butter can crowd out other important foods, including fruits, vegetables, proteins, and diverse fat sources. Early feeding experiences shape taste preferences and eating habits later in childhood. When a baby becomes accustomed to eating plain butter, it may reduce their interest in other textures and flavors. Nutrition experts emphasize that fats should be spread throughout meals and paired with other foods rather than offered alone. Butter can be part of a baby’s diet, but it should not become a standalone snack or meal substitute. Butter and Infant Sleep: Separating Myth from Reality One of the most popular claims behind the butter trend is that it helps babies sleep through the night. Sleep deprivation is one of the hardest challenges of early parenthood, so, understandably, parents look for solutions. However, infant sleep patterns are primarily driven by brain development, not just fullness. Babies wake at night for many reasons, including growth spurts, developmental changes, comfort needs, and learned sleep associations. While a calorie-dense food may temporarily increase satiety, it does not address the underlying neurological and developmental factors that regulate sleep. In some cases, frequent night waking may signal that a baby’s overall daytime nutrition needs adjustment — not that they need a bedtime butter snack. Pediatricians generally recommend evaluating feeding routines, sleep schedules, and developmental stages rather than relying on food “hacks” to induce sleep. Balanced Fat Sources That Support Healthy Development Instead of focusing on butter alone, experts recommend offering babies a variety of healthy fat sources alongside other nutrients. Diversity helps ensure proper growth and reduces the risk of developing narrow food preferences. Examples of developmentally appropriate fat sources include: Mashed avocado Full-fat yogurt (when age-appropriate) Nut butters thinned and served safely Olive oil or butter mixed into vegetables Fatty fish prepared in baby-safe forms Hummus or bean-based spreads When butter is used, it is best melted and mixed into purees or drizzled over cooked foods. Small amounts — such as half a teaspoon to one teaspoon per serving — can add calories and flavor without overwhelming the diet. Long-Term Habits Matter More Than Short-Term Results One concern nutrition experts raise is habit formation. Early childhood is when lifelong food preferences begin to form. Feeding patterns during infancy influence how children relate to food as they grow. If a child becomes accustomed to eating large amounts of butter regularly, it may be difficult to transition them to a more balanced diet later. After age two, dietary guidelines shift significantly, with recommendations to limit saturated fat due to its association with cardiovascular disease over the long term. Teaching moderation and variety early helps make that transition smoother and supports healthier eating patterns throughout childhood. What Parents Should Do Instead of Following Viral Trends Social media can be a helpful place for community support, but it is not a substitute for professional medical guidance.