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Heredity is a common cause of bulging veins in a teen's hands. Image Credit: NA/PhotoObjects.net/Getty Images Bulging veins in the hands are common signs of aging; but a variety of other conditions could be the cause, some of them potentially harmful. However, in many cases, particularly those having to do with teenagers, the cause is something more benign, such as excessive activity. Due to the potential risk involved, consult a doctor to rule out a more-serious disorder....

Grapefruit and grapefruit juice interfere with the metabolism of many medications. Xanax, or alprazolam, is a member of the benzodiazepine family, which includes diazepam, chlordiazepoxide and midazolam. Benzodiazepines are used as sedatives, muscle relaxants, anti-anxiety agents and anti-convulsants. Some are used to enhance the effects of anesthesia. Like most medications, Xanax can interact with other drugs, and its beneficial properties and side effects can be altered by agents that either accelerate or delay its metabolism....

Talk to your doctor before taking a magnesium supplement to make sure it's right for you. Image Credit: Getty Images/Tassii Magnesium is found in foods like nuts and legumes yet about half of the American population doesn’t get the recommended amount in their diet — and up to one-third may have a magnesium deficiency, a 2016 report in ​Nutrition Today​ shows. If you’ve added more magnesium-rich foods to your meals and are still low in the mineral, you may benefit from talking to your doctor about taking a supplement....

The fat content of ground beef varies with the cut of meat. Image Credit: HandmadePictures/iStock/Getty Images Dictionaries define “hamburger” as ground beef or a patty of ground beef. The popular usage of the word hamburger comes from the use of ground beef grilled as a patty, surrounded by a bun and served at fast-food restaurants. Ground beef, hamburger, ground chuck, ground sirloin and the various labels identifying the nutritional content of each can create consumer confusion....

A glass of fresh-pressed green juice on a table by the window. Image Credit: hitmanphoto/iStock/Getty Images Kidney stones and chronic kidney disease are two painful and potentially very dangerous conditions. More than 26 million Americans have chronic kidney disease, and that number is projected to rise. You can include kidney-cleansing fresh juices in your daily diet as a simple preventative measure. Choose low-potassium or high-calcium fruits or vegetables to make your fresh juice....

Oatmeal is great before cardio. Image Credit: samael334/iStock/GettyImages Fueling your body with the right food before a hard cardio session can improve your performance while you work out. Some people prefer to skip a meal before exercising, but you might find yourself hitting a wall sooner if you go that route. Advertisement Try out a few different types of meals, and see which one works best for you. Video of the Day ​Read more:​ 5 Good Foods to Eat After Doing Cardio First Thing in the Morning Your body burns calories and nutrients while you sleep....

While it's unlikely that everything you're eating is giving you gas, you might be choosing foods that take longer to digest. Image Credit: istetiana/Moment/GettyImages “Everything I eat gives me gas!” If you’ve ever thought this, understand that different people have their own individual reactions to food. While some might be able to eat anything without experiencing indigestion, bloating or gas, others might get gassy from seemingly everything. Advertisement If meals nearly always leave you full of air, it might be due to the types of food you eat....

Young woman with headache touching head Image Credit: seb_ra/iStock/GettyImages If you’ve ever had a headache after eating a sweet treat, you may have blamed the sugar. It’s true that sugar can cause headaches, but the actual cause of a sugar headache is not too much sugar — it’s not enough sugar, essentially a crash of your blood sugar level. Advertisement Simply put, your brain needs a constant supply of sugar for energy, and you can get a headache if the level falls too low, known as hypoglycemia....

The windmill exercise is, first and foremost, a core move. But it will also improve your shoulder stability, glute strength and total-body mobility. Image Credit: LIVESTRONG.com In This Article How to Benefits Tips Modifications Progressions The windmill exercise is one of the oldest (ahem, most underrated) moves around. Thankfully, it's making a comeback. Advertisement Why? Because this core strengthener does so much more than chisel your abs... although it does that too....

Eat healthy, lose the back fat. Image Credit: ChesiireCat/iStock/Getty Images Most people have one or two ‘problem’ areas, where they carry a little extra weight. Where you gain weight is beyond your control, and mainly due to genetics. What you might not like to hear is that where you lose weight is also beyond your control. In other words, you can’t spot reduce. Advertisement If your back and lower neck are your problem areas, you can fix them with diet and exercise; but it might take some patience as you lose total body fat....

Mirena contains a hormone called levonorgestrel, which is a form of synthetic progesterone. Women who take progesterone-only birth control sometimes report increased appetite, reports FamilyDoctor.org. Mirena doesn’t list weight gain in its consumer information about side effects, but clinical trials indicate that 5 percent of women gained weight while using the contraceptive, according to pharmacist Kristi Monson, writing for eMedTV. This could be due to increased appetite, hormonal changes or unrelated causes....

Skin-fold calipers are common for measuring body fat percentage, but you can also use a scale and tape measure. Image Credit: Matelly/Image Source/GettyImages Your body fat percentage is the percentage of your weight that comes from fat. Skin-fold calipers are a common method of measuring body fat percentage, but you may not have access to calipers. You can also measure body fat percentage with a scale and tape measure. This method uses a different set of measurements for men and women, since the distribution of fat is different between the genders....

A woman is doing a modified push up. Image Credit: undrey/iStock/Getty Images The tricep is a powerful muscle that is engaged when you push your hands away from your body. Because of the continual use and stress placed the tricep, injuries occur often. Tricep injuries result from taxing the muscle with repetitive movements, as well as from overloading with heavy weight bearing. Therefore they occur often in people involved in weightlifting and in sports or jobs that require repetitive arm motions....

Cod is a low-fat, low-calorie white fish with a mild taste that you can easily complement with a variety of cod seasoning. Image Credit: AnnaIleysh/iStock/GettyImages Cod is a low-fat, low-calorie white fish with a mild taste that you can easily complement with a variety of cod seasoning. In fact, cod is such a versatile fish that you can experiment with different combinations of herbs and spices, both dried and fresh, to create new and exciting flavors....

Football's rules and skills create thrilling competitions among powerful athletes. Image Credit: alessandroguerriero/iStock/Getty Images Professional and collegiate football draws millions of fans to stadiums and television viewing every autumn. The NFL and NCAA collaborate to keep this high-intensity, high-impact sport fair, safe and entertaining. They publish information about football games for the understanding of players and fans. Advertisement The Field Two 11-player teams play the game on a turf or synthetic field measuring 100 yards long and 53 yards wide....

Bitter melon isn't poisonous. Image Credit: Kinsei-TGS/iStock/Getty Images Bitter melon, a tropical fruit known by several names, including bitter gourd and wild cucumber, could be effective in controlling certain diseases. However, ripe bitter melon has toxic properties, according to clinical reports. You should speak with a doctor before self-treating with this fruit. Advertisement Tip Bitter melon isn’t poisonous and is actually used for certain health conditions. However, toxicity from drinking its juice has been reported in studies throughout the past few years....

Could using your hand as a measuring tool be the diet solution you've been looking for? Image Credit: Rachen Buosa / EyeEm/EyeEm/GettyImages The Scandi Sense diet is a trendy diet plan that promises — like so many others before it — that it’s the gateway to weight loss. Toting simple lifestyle changes, the diet — based on the premise of “common sense” eating — uses portion sizing in your hands to lose weight....

references Celiac Disease Foundation: "Gluten-Free Foods" Mayo Clinic: "Should I add Wheatgrass to my Smoothies for Better Health?" National Celiac Association: "Do Wheat Grass and Barley Grass Contain Gluten?" FDA: "Gluten and Food Labeling" Gluten-Free Certification Organization It's safe to drink wheatgrass juice if the grass has been harvested properly; otherwise, it can be contaminated with gluten. Image Credit: Geshas/iStock/GettyImages Image Credit: Geshas/iStock/GettyImages You can use this tool, provided by the National Celiac Association, to search for certified gluten-free restaurants in your area....

Glute bridges are great for the knees as well. Image Credit: fizkes/iStock/GettyImages Whether you are knock-kneed or bow-legged, having a knee out of alignment is more than just a cosmetic concern. Over time, this condition may lead to joint pain and discomfort. Try these exercises to strengthen your hip and knee muscles and prevent complications. Advertisement Do Squats for a Knee Out of Alignment As Massachusetts General Hospital explains, maintaining strength in the muscles surrounding the knee joint plays an important part in avoiding a knee out of alignment....

A swimmer needs 3,000 to 6,000 calories a day. Image Credit: Jupiterimages/Comstock/Getty Images Swimming burns many calories. A swimmer needs 3,000 to 6,000 calories a day to maintain their weight, according to the American Dietetic Association. Competitive swim teams often practice twice a day, making meal planning essential. Swimmers need to eat before and after practice to fuel workouts. Eating small meals and snacks can help to reach calorie needs....