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If you’re looking for a low-calorie protein source, it’s difficult to do much better than egg whites. Egg whites are a versatile food that you can use in baking or eat as an entree. Basic Nutrition A half-cup of egg whites contains 63 calories and an incredible 13 grams protein. In contrast, it contains less than 1 gram of carbohydrate. A half-cup serving has a negligible amount of fat. You’ll also get calcium, magnesium and potassium along with a smattering of B vitamins....

An 8-ounce ribeye steak has 544 calories. Image Credit: grandriver/iStock/GettyImages Thinking about having a ribeye steak for dinner and wondering about the health quotient of your meal? Here’s what you need to know about ribeye nutrition and calories. Advertisement Tip An 8-ounce ribeye steak has 544 calories. Read more: How to Grill, Sear and Oven-Finish Rib Eye Steak Video of the Day Ribeye Steak Calories The University of Nebraska-Lincoln explains that ribeye steaks come from the large end of the beef rib, once the back and rib bones of the animal have been removed....

Jumping is an effective way to burn calories and lose weight. Image Credit: lolostock/iStock/Getty Images Jumping rope, using a trampoline or stationary jumping are effective ways to lose weight and burn fat. But it is high-impact exercise and if you can’t handle 20 to 40 minutes daily just jumping, mix up your weekly workouts to include other cardio activities like walking, swimming or cycling. Advertisement The Physical Activity Guidelines for Americans recommends 150 to 300 minutes weekly of moderately intense cardio exercise....

The size of your breasts can't be changed with yoga alone. Image Credit: Yury Salauyou/Hemera/Getty Images Gals with an A cup may not get it, but some women actually are too well-endowed. Large breasts can cause back problems, make it hard to find clothes that fit and bring on unwanted attention. Advertisement Step No. 1 in reducing breast size is lowering your overall body fat. Breast tissue is mostly fat, so when you lose weight, your breasts naturally shrink....

Chest pain is only one of many possible signs of a heart attack. Image Credit: monstArrr_/iStock/GettyImages What would you say if asked to identify a classic sign of a heart attack? Most people would cite crushing chest pain as the number-one smoking gun, but there’s another lesser-known indication that your cardiovascular health may be in jeopardy: arm numbness. Advertisement Read more: Is It a Heart Attack or Something Else? Things Mistaken for a Heart Attack Video of the Day Heart Attacks and Strokes According to the Centers for Disease Control and Prevention (CDC), every 40 seconds an American has a heart attack....

Some of your child's activities require extreme flexibility. Image Credit: Purestock/Purestock/Getty Images Just as you monitor your child’s academic progress and social development, you also need to keep an eye on her fitness level. Along with strength and endurance, flexibility is a key component of fitness. If your child is active in sports and other physical activities – whether competitive or recreational – understand how flexibility issues affect her health, athletic performance and risk of injury....

An older couple riding a tandem bicycle. Image Credit: XiXinXing/XiXinXing/Getty Images Cycling and aerobic exercise in general, has many health benefits. Exercise strengthens the heart, reducing the risk of heart attack and stroke, and it also strengthens the lungs. It reduces the risk of type 2 diabetes and certain types of cancers, while helping to lower blood pressure. Sometimes, however, cyclists can experience a shortness of breath while exercising. If you experience symptoms, it’s important to see your doctor as soon as possible....

young woman holding stomach on bed Image Credit: AnaBGD/iStock/Getty Images Digestion is one of your body’s most important functions, and one that should occur without conscious awareness of its routine functioning. When digestion is not working properly, however, there is cause for concern. Constipation – especially chronic constipation – can lead to a host of problems that include fatigue, food sensitivities, bloating, migraines, bad breath, nutritional malabsorption and disease. Poor digestion is not normal and you should not accept it as such....

Pieces of dried seaweed on a table. Image Credit: DAJ/amana images/Getty Images Iodine is an essential mineral. Adult men and women should have approximately 150 micrograms of iodine each day, and most people in the United States easily obtain this much through their diet, says the National Institutes of Health. By contrast, potassium iodide is a man-made salt compound of iodine. The Centers for Disease Control and Prevention cautions that you should not take potassium iodide unless you have been instructed to do so by your doctor or by public health officials....

Apple cider vinegar is made from fermented apple juice and is a bit sweeter than white distilled vinegar. Image Credit: Madeleine_Steinbach/iStock/GettyImages Drinking vinegar is not most people’s idea of a good time. But in the quest for belly fat loss, people will try almost anything. Although drinking apple cider vinegar after meals may have a slight effect on weight loss, it’s not a magic bullet. A healthy diet and exercise are still the best way to target tummy fat....

Sitting all day is not healthy. Image Credit: Klaus Vedfelt/DigitalVision/GettyImages If you are a student, then you know that sitting takes up a large portion of your day. If you’d like to combat a sedentary lifestyle with exercises you can do in class, there are some options. But be aware that to lose weight, you may need to get up and get active elsewhere. Advertisement The Mayo Clinic explains that sitting uses much less energy than standing and moving....

A woman eating an apple for a healthy boost at work. Image Credit: KatarzynaBialasiewicz/iStock/Getty Images Eating certain foods will lead to the release of dopamine, a chemical that can cause a “feel-good” response in the bloodstream. Dopamine is integral to experiencing emotional responses in a variety of situations, as well as the ability to feel pleasure or pain. Eating dopamine-triggering foods can benefit your health, but they can also become destructive if you become addicted to the feel-good chemical cascade....

Strong core muscles help to support your posture, keeping your spine aligned correctly. As you age, the muscles in your abdomen and back weaken, potentially causing postural problems and back pain. Performing exercises for your core – which includes your abdomen, back and pelvis – might help to alleviate stress on your spine and promote a healthy back. Talk to your doctor about your back issues to determine which exercises are right for your condition....

With its rich, moist flavor and tender flaky flesh, grilled sea bass is a lot easier than you may think. You know you need to add more fish to your diet, but you may be wary about adding this protein if you don't know how to prepare it. With its rich, moist flavor and tender flaky flesh, grilling sea bass is a lot easier than you may think. Advertisement Here, we're talking grilled Chilean sea bass, including a simple recipe on how to grill it to perfection....

As one of the hardest-working muscles in the body, your heart beats thanks to a complex system of nerves, cells, biochemicals and minerals. Acetylcholine, a biochemical, plays a large role in maintaining your heart's rhythm when you are at rest. It is part of the cascade of processes that influence your heart's natural pacemaker. Advertisement Heart Information Your heart is a strong muscle, a little bigger than your fist. The American Heart Association states that, during the day, the average heart beats 100,000 times and pumps about 2,000 gallons of blood....

Herbal teas may help clear your lungs. Many disorders, common irritants and microbes can cause lung congestion. High blood pressure or heart problems can fill your lungs with fluid because your heart isn't pumping properly. Allergies and air pollution cause your bronchial tubes to increase mucous production. Upper respiratory infections, such as bronchitis, produce inflammation, phlegm and mucus. If your lungs are congested, you may experience coughing, wheezing and tightness in your chest....

High potassium can cause abnormal heart rhythms. Image Credit: Photopa1/iStock/Getty Images Dehydration occurs when the body does not have enough fluids to carry out its baseline functions. As the body loses fluids, it can affect the concentration of its electrolytes, which are important substances present inside the cells and the bloodstream that affect various metabolic process, including fluid and water balance. One of the electrolytes affected by dehydration is potassium....

Whole Leaf Stevia Stevia leaves. Image Credit: Santje09/iStock/Getty Images Stevia is a South American herb that has been used for hundreds of years as a sweetener. It contains compounds called glycosides – or more specifically, steviosides – that produce the intensely sweet taste, but provide no calories. It can be used in its natural state, pulverizing the whole, dried stevia leaves, crumbling or crushing them into a green powder. The only processing involved in the production of this form of stevia is drying the leaves out, then using your fingers or a pestle to grind them up....

Kettlebell training is tough, but it produces results. Image Credit: Pekic/E+/GettyImages It’s no secret that kettlebell workouts are fiercely challenging — they also pack a whole lot of potential benefits, from slimming your waistline to building muscular strength and endurance and even cardiovascular fitness. The secret? You have to be willing to put in some time with the “bells.” Advertisement Tip In general, a safe rate of weight loss — with kettlebells or anything else — is about 1 to 2 pounds per week....

There are many factors that determine how much calories you burn while working out. Image Credit: Hello Lovely/DigitalVision/GettyImages The number of calories burned in a one-hour gym workout depends upon several factors. The more you weigh, the greater the exercise intensity and the longer the duration, the more calories you burn. Advertisement It's common for a fitness enthusiast to mix exercises by splitting a workout session into stretching, weightlifting and cardiovascular exercise....