5 Reasons It’s Harder to Lose Weight With Age
Have you been dieting but not seeing the results you expected? Normal age-related changes to your body may be sabotaging your efforts. Here’s how to set yourself up for success.
Never had a problem losing or maintaining your weight before, but now the scale won’t move? There’s a scientific reason why: As we get older, our bodies don't respond the same way to weight loss efforts. In fact, as we age we tend to gain weight to the tune of 1 to 2 pounds per year, according to a review published in March 2013 by the Agency for Healthcare Research and Quality(https://www.ncbi.nlm.nih.gov/books/NBK133218/pdf/Bookshelf_NBK133218.pdf). That may not seem like much, but over time it can lead to significant weight gain and, in some cases, obesity, a condition marked by a body mass index (BMI) of 30 or higher. “Obesity incidence starts increasing in one’s twenties and peaks at 40 to 59, and then decreases slightly after age 60,” says Craig Primack, MD, an obesity medicine physician at the Scottsdale Weight Loss Center in Arizona. Not everyone will become overweight as they age because body weight is highly influenced by your genetic makeup, your level of physical activity, and your food choices, Dr. Primack says. “We sometimes say genetics loads the gun and lifestyle pulls the trigger,” he says. Still, everyone will find it harder to maintain or lose weight with each passing year.
Weight Gain and Age: What the Heck Is Going On? 1. You’re Experiencing Age-Related Muscle Loss The amount of lean muscle we have naturally begins to decline by 3 to 8 percent per decade after age 30, a process called sarcopenia, report researchers in a paper published in the journal Current Opinion in Clinical Nutrition & Metabolic Care. You may also lose muscle if you’re less active due to age-related health conditions, such as arthritis, or if you’ve been sidelined with, say, an injury or surgery for several days, Primack says. “All of these individually do not cause a significant decline, but cumulatively they surely do,” he says. Why does that loss of muscle matter? Because lean muscle uses more calories than fat. So unless you’re regularly strength training with weights to maintain and build muscle, your body will need fewer calories each day. That makes weight gain likely if you continue to consume the same number of calories as you did when you were younger. “Most people will not adjust calories,” explains Marcio Griebeler, MD, an endocrinologist at Cleveland Clinic in Ohio. “They keep eating the same amount, but because they have less muscle mass to burn those calories and less activity, they end up gaining weight over time.”
2. You’re Undergoing Normal Hormonal Changes Both men and women undergo changes in hormone levels as part of aging that help explain why, according to CDC data, middle age is prime time for putting on pounds. For women, menopause — which occurs most often between ages 45 and 55 — causes a significant drop in estrogen that encourages extra pounds to settle around the belly, explains Dr. Griebeler. This shift in fat storage may make the weight gain more noticeable and increase the risk of high blood pressure, heart disease, high cholesterol, and type 2 diabetes. In addition, Griebeler notes, fluctuations in estrogen levels during perimenopause, the years leading up to menopause, may cause fluctuations in mood that make it more difficult to stick to a healthy diet and exercise plan. As a result, the average weight gain during the transition to menopause is about five pounds, according to UC San Diego Health. Men, on the other hand, experience a significant drop in testosterone as they age, which begins to gradually decline around age 40 at a rate of about 1 to 2 percent per year, notes Harvard Health. Testosterone is responsible for, among other things, regulating fat distribution and muscle strength and mass. In other words, declines in it can make the body less effective at burning calories. The pituitary gland’s production of growth hormone (GH) also declines from middle age onward, according to Harvard Health. One of GH’s many functions is to build and maintain muscle mass. So as GH decreases, it’s harder for your body to make and maintain muscle, which, in turn, also impacts how many calories you burn. “It’s a snowball effect,” Griebeler says. “You start accumulating more fat, less lean body mass; you burn less calories, and that just keeps adding up over time."
3. Your Metabolism Is Slower Than Before That decrease in muscle mass is likely to slow your metabolism, a complex process that converts calories into energy. Having more fat and less muscle reduces calorie burning. What’s more, many people become less active with age, which also slows your metabolism. Age isn’t the only thing that determines your metabolic rate, however — your body size and sex play a role, too. So do certain health conditions, such as hypothyroidism.
4. You’re More Sedentary and More Stressed By the time you’ve reached your forties and fifties, your career is likely in full swing, which while great can pose a few weight loss challenges. For one, you’re likely moving less. You may commute an hour or so to and from work, sit at a desk for eight or more hours a day, and have so much on your plate that there’s no time to go for a walk or exercise during the workday. You may also find yourself too busy to break for lunch, increasing the odds that you’ll scarf down something from the vending machine or order in calorie-dense takeout food, notes Rachel Lustgarten, RD, nutritionist at Weill Cornell Medicine and New York-Presbyterian in New York City. And you may experience more work-related stress, which research published in the International Journal of Peptides suggested can increase the level of the hormone ghrelin, which makes you hungrier.
5. You’re Experiencing Major Lifestyle Changes Some of the reasons for weight gain in middle age have nothing to do with what’s happening inside your body and everything to do with the way life changes as people enter their thirties. One of the biggest changes comes when you start a family. Suddenly, the hour you spent at the gym after work is spent with your toddler at home. And later, your child’s after-school time is filled with playdates, homework, and other activities that require your attention. “You do not seem to have time anymore for yourself,” Primack says. As a result, your diet and exercise intentions might slip, causing a few pounds to creep on.
Here are some Science-Backed Way to Battle the Bulge at Midlife and Beyond
• Focus on healthy foods. In general, Griebeler says, increase your fruit and vegetable intake and decrease the amount of fast food, sugar, and other processed foods you take in. You also want to prioritize whole foods — vegetables, beans, nuts, and fruit — that are full of fill-you-up fiber, says Lustgarten. “It will make it easier to control calories as these are high-volume foods — they take up more room in the stomach — while contributing less calories to your daily intake,” she explains. • Downsize your portions. Learning to adjust your diet to your body's lower calorie needs is a gradual process. Griebeler suggests that you start by trimming 100 to 200 calories from your daily diet and adjust as needed from there. You’d be surprised to see what a big difference such a small change can make. • Stay well hydrated. It’s easy to confuse the sensation of thirst for hunger. Staying hydrated with water (rather than with calorie-rich beverages, such as sodas and fruit juices) also ramps up metabolism, increasing the breakdown of fat, suggests a review of several animal studies published in June 10, 2016, in the journal Frontiers in Nutrition. • Chill out. For many people, stress leads to stress eating, Griebeler says. Do what you need to do to relax, whether it’s with a twice-weekly yoga class or short five-minute meditations throughout the day. • Give your major muscle groups a workout. That loss of muscle mass you read about earlier? Fight back by adding strength training to your exercise routine. “You want to preserve muscle mass as much as possible,” Griebeler says. “With more muscle, you burn calories more efficiently and you’re going to be more active because you have better balance and you have more stamina.” A good place to start is with the National Institute on Aging’s easy at-home strengthening Go4Life exercise program. • Move more. Try to incorporate a half hour a day of aerobic exercise — which is anything that gets your heart rate up, such as jogging, walking, biking, or swimming — into each day, advises Lustgarten. Can’t find the time to fit in 30 minutes all at once? Break it up by doing, say, three brisk 10-minute walks, throughout the day. “Short bursts of activity have a cumulative effect and count toward a daily exercise goal,” she says. • Get a good night’s sleep. If you don’t wake up feeling energized, you’ll be less active during the day and will burn fewer calories as a result. Primack says to try to log somewhere between seven and nine hours of sleep per night. Everyday Health/6-27-19
Taking a bit of time for yourself, looking at moderation as a way of life, staying hydrated and trying to take what life throws at you with a bit more ease has shown definite results. If you have continuing problems with your weight, hormones or any other health issues feel free to give Integrative Medical Associates a call for an appointment. Wishing you great health. Integrative Medical Associates
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