Soy: It’s a high-quality source of protein, containing all of the essential amino acids; it’s packed with vitamins and minerals; it has fiber (both soluble and insoluble), omega-3 and omega-6 fatty acids, no cholesterol, and very little saturated fat compared with meat. It’s been touted for reducing the risk of coronary heart disease, osteoporosis, and some forms of cancer, and there’s clinical evidence to back up these assertions.
Why Can’t I Simply Lose a Few Pounds? Dieting Myths and Gender Differences
Despite their apparent leanness, too many active people are discontent with their body fat. All too often, I hear seemingly lean athletes express extreme frustration with their inability to lose undesired bumps and bulges:
Am I the only runner who has ever gained weight when training for a marathon???
For all the exercise I do, I should be pencil-thin. Why can’t I simply lose a few pounds?
Clearly, weight loss is not simple and often includes debunking a few myths. Perhaps this article will offer some insights that will lead to success with your weight loss efforts.
Myth #1: You must exercise in order to lose body fat.
To lose body fat, you must create a calorie deficit. You can create that deficit by 1) exercising, which improves your overall health and fitness, or 2) eating fewer calories.
Even injured athletes can lose fat, despite a lack of exercise. The complaint “I gained weight when I was injured because I couldn’t exercise” could more correctly be stated “I gained weight because I mindlessly overate for comfort and fun.”
Adding on exercise does not equate to losing body fat. In a 16-week study, untrained women (ages 18 to 34) built up to 40 minutes of hard cardio or weight lifting three days a week. They were told to not change their diet, and they saw no changes in body fatness(1). Creating a calorie deficit by eating less food seems to be more effective than simply adding on exercise to try to lose weight.
Athletes who complain they “eat like a bird” but fail to lose body fat may simply be under-reporting their food intake. A survey of female marathoners indicated the fatter runners under-reported their food intake more than the leaner ones. Were they oblivious to how much they actually consumed?(2) Or were they too sedentary in the non-exercise hours of their day?
Myth #2: If you train for a marathon or triathlon, surely your body fat will melt away.
Wishful thinking. If you are an endurance athlete who complains, “For all the exercise I do, I should be pencil-thin,” take a look at your 24-hour energy expenditure. Do you put most of your energy into exercising, but then tend to be quite sedentary the rest of the day as you recover from your tough workouts? Male endurance athletes who reported a seemingly low calorie intake did less spontaneous activity than their peers in the non-exercise parts of their day(4). You need to keep taking the stairs instead of the elevators, no matter how much you train. Again, you should eat according to your whole day’s activity level, not according to how hard you trained that day.
Myth #3: The more you exercise, the more fat you will lose.
Often, the more you exercise, the hungrier you get and 1) the more you will eat, or 2) the more you believe you “deserve” to eat for having survived the killer workout. Unfortunately, rewarding yourself with a 600-calorie cinnamon roll can quickly erase in a few minutes the 600-calorie deficit you generated during your workout.
The effects of exercise on weight loss are complex and unclear—and depend on the 24-hour picture. We know among people (ages 56-78) who participated in a vigorous walking program, their daily energy needs remained about the same despite adding an hour of exercise. How could that be? The participants napped more and were 62% less active the rest of their day(3). Be sure to pay attention to your whole day’s activity level. One hour of exercise does not compensate for a sedentary lifestyle
Myth #4: You should exercise six days a week to lose weight.
Research suggests exercising four times a week might be better for weight control than six times a week. A study with sedentary women (ages 60 to 74) who built up to exercising for 40 minutes of cardio and weights suggests those who did four workouts a week burned about 225 additional calories in the other parts of their day because they felt energized. The group that trained six times a week complained the workouts not only took up too much time, but also left them feeling tired and droopy. They burned about 200 fewer calories in the non-exercise parts of their day(5). Yes, they were ages 60 to 74, but the info might also relate to you?
Myth #5: Couples who exercise together, lose fat together.
Not always. In a 16-month study looking at exercise for weight loss, the men lost 11.5 pounds and the women maintained weight, even though they did the same amount of exercise(6). In another study, men who did an 18-month marathon training program reported eating about 500 more calories per day and lost about five pounds of fat. The women reported eating only 60 more calories, despite having added on 50 miles per week of running. They lost only two pounds(7).
What’s going on here? Well, a husband who adds on exercise will lose more weight than his wife if he’s heftier and thereby burns more calories during the same workout. But, speaking in terms of evolution, Nature seems protective of women’s role as child bearer, and wants women to maintain adequate body fat for nourishing healthy babies. Hence, women are more energy efficient. Obesity researchers at NY’s Columbia University suggest a pound of weight loss in men equates to a deficit of about 2,500 calories, while women need a 3,500-calorie deficit(8). No wonder women have a tougher time losing weight then do men….
The Bottom Line
If you are exercising to lose weight, I encourage you to separate exercise and weight. Yes, you should exercise for health, fitness, stress relief, and most importantly, for enjoyment. (After all, the E in exercise stands for enjoyment!) If you exercise primarily to burn off calories, exercise will become punishment for having excess body fat. You’ll eventually quit exercising—and that’s a bad idea.
Instead of focusing on exercise as the key to fat loss, pay more attention to your calorie intake. Knocking off just 100 calories a day from your evening snacks can theoretically result in 10 pounds a year of fat loss. One less cookie a day seems simpler than hours of sweating…?
Nancy Clark MS RD CSSD (Board Certified Specialist in Sports Dietetics) counsels casual and competitive athletes in her private practice in the Boston-area (617-795-1875). Her Sports Nutrition Guidebook, Food Guide for Marathoners and Cyclist’s Food Guide all offer additional weight management information. The books are available via www.nancyclarkrd.com. See also www.sportsnutritionworkshop.com.
- Poehlman, E., W. Denino, T. Beckett, K. Kinsman, I. Dionne, R. Dvorak, P. Andes. Effects of endurance and resistance training on total daily energy expenditure in young women: a controlled randomized trial. J Clin Endocrinol Metab 87(3):1004-9, 2002.
- Edwards, J, A. Lindeman, A. Mikesky, and J. Stager. Energy balance in highly trained female endurance runners. Med Sci Sports Exer 25:1398-404, 1993.
- Goran, M. and E. Poehlman. Endurance training does not enhance total energy expenditure in healthy elderly persons. Am J Physiol 263:E950-7, 1992.
- Thompson, J., M. Manore, J. Skinner, E. Ravussin, M. Spraul. Daily energy expenditure in male endurance athletes with differing energy intakes. Med Sci Sports Exerc 27::347-54, 1995.
- Hunter, G., C. Bickel, G. Fisher, W. Neumeier, J. McCarthy. Combined Aerobic/Strength Training and Energy Expenditure in Older Women. Med Sci Sports Exerc. 2013 Jan 30. [Epub ahead of print]
- Donnelly, E., J. Hill, D. Jacobsen, et al. Effects of a 16-month randomized controlled exercise trial on body weight and composition in young, overweight men and women: the Midwest Exercise Trial. Arch Intern Med 163:1343-50, 2003.
- Janssen, C., C. Graef, W. Saris. Food intake and body composition in novice athletes during a training period to run a marathon. Int J Sports Med, 10:S17-21,1989.
- Pietrobelli, A., D. Allison, S. Heshka, et al. Sexual dimorphism in the energy content of weight change. Int J Obes Relat Metab Disord 26:1339-48, 2002.
In 2011, a 52-year-old runner and yoga enthusiast walked into the office of Monica Loghin, a neuro-oncologist at MD Anderson Cancer Center in Houston, complaining of numbness and weakness in her lower limbs and difficulty controlling her bladder.
Despite recent published reports suggesting that omega-3 supplements lack the cardiovascular health benefits they once claimed and could be associated with various health risks, many people continue to use them. According to the 2014 ConsumerLab.com survey of 10,000 supplement users, fish/marine oil supplements still were popular, with 67.2% of respondents using them.
.–(BUSINESS WIRE)–A new study published this month in the Annals of Internal Medicine finds spinal manipulative therapy (SMT) and exercise more effective at relieving neck pain than pain medication. The research reinforces the use of conservative care options as a first line of defense against pain, according to the American Chiropractic Association (ACA).
“Doctors of chiropractic have long cautioned against the overuse of medication to treat musculoskeletal pain”
The study divided participants into three groups that received either SMT from a doctor of chiropractic (DC), pain medication (over-the-counter pain relievers, narcotics and muscle relaxants) or exercise recommendations. After 12 weeks, about 57 percent of those who met with DCs and 48 percent who exercised reported at least a 75 percent reduction in pain, compared to 33 percent of the people in the medication group. After one year, approximately 53 percent of the drug-free groups still reported at least a 75 percent reduction in pain; compared to just 38 percent pain reduction among those who took medication.
The study also found that despite experiencing limited pain relief, people in the drug group continued using a higher amount of medication more frequently throughout the follow-up period. This finding underscores concerns raised in an April 2011 government report that indicated prescription drug abuse in the U.S. has reached crisis level.
“Doctors of chiropractic have long cautioned against the overuse of medication to treat musculoskeletal pain,” said ACA President Keith Overland, DC. “We continue to promote drug-free, conservative interventions for neck pain patients before referral for medical management that may result in side effects. Patients deserve to know that there are natural, drug-free options when it comes to pain relief.”
The American Chiropractic Association (ACA), based in Arlington, Va., is the largest professional association in the United States representing doctors of chiropractic. ACA promotes the highest standards of patient care and ethics, and supports research that contributes to the health and well-being of millions of chiropractic patients. Visit www.acatoday.org.
There are numerous conditions that benefit from a well-balanced diet and, though more research is needed, there appear to be potential benefits for Fibromyalgia too. At the very least, well-balanced nutrition will give you more energy and help you to feel better overall.
Eating a healthy and balanced diet is very beneficial for people living with Multiple Sclerosis. Nutrition education from a Dietitian can help to address some common nutrition-related complications of the disease such as osteoporosis, constipation and weight.
Eating a healthy and balanced diet is very beneficial for people living with Parkinson’s disease. Nutrition education from a Dietitian can help to address some common nutrition-related complications of the disease such as osteoporosis, constipation and weight loss.
Men with prostate cancer who ate a low-fat diet and took fish oil supplements had lower levels of pro-inflammatory substances in their blood and a lower cell cycle progression score, a measure used to predict cancer recurrence, than men who ate a typical Western diet, UCLA researchers found.