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Heart rate changes depending on how hard you are working out. Image Credit: martin-dm/E+/GettyImages Heart rate is a measure of how hard your heart is working and thus helps people determine the intensity of a particular workout. When you work your body harder, your heart beats faster and your body turns to different fuel sources when working at various levels of intensity. Advertisement It makes sense that people seeking to lose weight would want to maximize fat loss, so oftentimes they strive for a heart-rate level that falls within the "fat burning" zone....

references CDC: "Weekly U.S. Influenza Surveillance Report (FluView)" CDC: "COVID Data Tracker" Annual Review of Virology: "Seasonality of Respiratory Viral Infections" National Sleep Foundation: "How Much Sleep Do We Really Need?" CDC: "A good night’s sleep is critical for good health" CDC: "Your Guide to Masks" Is this an emergency? If you are experiencing serious medical symptoms, please see the National Library of Medicine’s list of signs you need emergency medical attention or call 911....

You don't need a prescription to buy iron supplements, but don't start taking them without first talking to your doctor. Image Credit: Towfiqu Photography/Moment/GettyImages Iron supplements, usually ferrous sulfate, ferrous fumarate or ferrous gluconate, will start to take effect within a few weeks after you start taking them. However, the length of time it takes for your body to completely replenish your depleted iron stores will depend on how severe your anemia is to begin with, how long you’ve been anemic, how well your body is able to absorb the iron in the supplements and how good you are at remembering to take them according to your doctor’s instructions....

Whether practiced daily or once a week, yoga offers many benefits. Image Credit: Monoliza21/iStock/GettyImages If you’ve taken up a yoga practice, you may be wondering how frequently you should be rolling out your yoga mat. The decision of how often to practice comes down to personal goals and your own preferences. Whether you practice yoga once a week or every day, you can experience the benefits of yoga both on and off your mat....

A slice of bread with peanut butter on it sits on a wooden table. Image Credit: PatrikSlezak/iStock/Getty Images Lifting weights at home doesn’t mean that you can’t bulk up, you’ve just got to be creative with your training. A workout that’s designed to build muscle size features numerous exercises for each muscle group you’re targeting, with each exercise being completed for multiple sets. This type of workout is effective for overloading your muscles and stimulating their growth....

Feet on a treadmill Image Credit: OlegPhotoR/iStock/Getty Images A treadmill can be an expensive investment in your fitness routine, one that will last for years if properly maintained. While it’s important to locate your treadmill on a mat and follow the maintenance schedule for the mechanical and electrical parts, owners often forget to clean the treadmill belt. This can lead to a shorter life for your machine, or a costly replacement for your wallet....

Lifelong stressors, including racism, contribute to a higher risk of hypertension among Black Americans. Image Credit: Getty Images/LIVESTRONG.com Creative There’s increasing evidence of a link between racism and high blood pressure. The health condition affects people of all races, but Black Americans are significantly more likely to experience high blood pressure. In fact, they’re nearly 50 percent more likely to have hypertension than their white peers, according to the National Center for Health Statistics....

Cooking venison low and slow helps ensure it will be tender and savory. Image Credit: Vladimir Mironov/iStock/GettyImages Venison, even from farm-raised deer, is much leaner than conventional beef. This affects how you cook it, because fat is an insulator. The leaner, denser flesh of a deer will cook more quickly than a comparable piece of beef, and requires both a lower temperature and a shorter cooking time. Advertisement To prepare a deer roast in the oven, you'll need to reduce the temperature by approximately 25 degrees Fahrenheit to avoid overcooking and toughening the venison....

Chicken hindquarters include the thigh and drumstick meat. Image Credit: AlexRaths/iStock/Getty Images Chicken hindquarters contain the dark thigh and leg meat and skin and work well for roasting and grilling. The dark meat tends to be higher in calories than the white breast meat; one chicken leg with skin contains around 310 calories, 30 grams of protein and 20 grams of fat. Removing the skin cuts the calories in half; skin; one hindquarter without the skin contains 156 calories, 26 grams of protein and 5 grams of fat....

High-intensity interval training, or HIIT, is one of our all-time favorite workouts. Image Credit: Tone It Up High-intensity interval training, or HIIT, is one of our all-time favorite workouts. HIIT raises your heart rate and sculpts your body from head to toe. And by mixing in short bursts of cardio with toning moves, you’re giving your metabolism a major boost that will keep you burning calories all day long. Advertisement We're sharing a HIIT routine that you can complete in just 10 minutes — no equipment needed!...

Slow cooker soups that are high in protein will keep you warm and full. Image Credit: LauriPatterson/iStock/GettyImages Slow cooker soups are ideal during the cold-weather season. They’re easy to dump-and-go and they cook for hours, with little to no prep work so you can have a nutritious, balanced meal on the table after a busy day. Advertisement That's why we love slow cooker soups that are loaded with protein to keep you full for hours....

Two RDs share their tips for cutting back on soda for good. Image Credit: LIVESTRONG.com Creative You’ve heard how much sugar is in soda (did you know a 12-ounce can has the equivalent of 10 teaspoons of sugar?), and since sugar isn’t exactly known for being a health food, you’ve decided to cut back on soda. But here’s the catch: When a daily can of cola (or two) has become part of your routine, it can be tough to kick the habit....

TJ's cauliflower gnocchi and truffle cheese made the best list. Image Credit: jjpoole/iStock/GettyImages Trader Joe’s has an awards season (who knew?!) where it rolls out the red carpet for their customer fan-base favorites. Advertisement Each year — it's going on 11 years and counting, ICYMI — TJ's asks its customers to vote for their favorite products across a variety of categories from their go-to snacks to their #1 entrées. We're sharing the results of this year's Annual Customer Choice Awards Winners along with which products are also dietitian-approved....

A Greek yogurt parfait with berries and seeds with a side of toast provides a wide variety of health benefits. Image Credit: Seva_blsv/iStock/GettyImages If you want to start off the day making your gut happy, there’s one breakfast gastroenterologists recommend making: A yogurt parfait. Advertisement All you have to do is add one cup of Greek yogurt to a bowl and top it with a half-cup of berries and a tablespoon of seeds (like chia or flax)....

Learn all about pretzels' nutritional facts before popping them in your snack bag. Image Credit: bhofack2/iStock/GettyImages Pretzels are a simple, salty snack you can find in nearly every vending machine or convenience store. This widespread availability is a perk because they do provide some nutritional benefits and are a low-fat snack option that pairs well with healthy foods like fruit or low-fat cheese. Advertisement That said, you should take caution to not overeat pretzels because they can quickly put a dent in your daily sodium intake and may even lead to weight gain....

Petit fours are often finely decorated. Image Credit: Olena Talberg/Hemera/Getty Images Petit fours are small multi-layered cakes, typically covered with fondant or a heavy glazed frosting. The pastries are often intricately decorated to resemble a large cake in miniature. High in sugar, carbohydrates and fats, petit fours are a calorie-rich food. Advertisement Calories According to the U.S. Department of Agriculture, a typical petit four contains around 60 calories. Within that piece are approximately 40 calories of carbohydrates, 16 calories of fats and 4 calories of proteins....

Butternut squash is filled with fiber and vitamin A. Image Credit: sveta_zarzamora/iStock/GettyImages Butternut squash is one of the several varieties of winter squash belonging to the cucurbit family. Butternut squash nutrition benefits include its higher fiber content, as well as the large doses of vitamin A that the squash provides on your plate. Advertisement According to Michigan State University (MSU) Extension, butternut squash are harvested in the fall and have a long shelf life, thanks to their hard outer shells....

While there's no one cure to the common cold, drinking homemade onion tea can help soothe your symptoms and may provide some immunity-boosting benefits, too. Image Credit: Sasha_Suzi/iStock/GettyImages If you have a runny nose, sore throat and cough, you’ve probably fallen victim to a cold. And between your search for natural remedies, you’ve likely stumbled upon onion tea. While the folk remedy for the common cold and flu does contain antioxidants and vitamins that may help boost immunity, there’s no surefire cure....

Image Credit: monkeybusinessimages/iStock/GettyImages Diarrhea happens to almost everyone -- whether you're 18, 80, somewhere inbetween or beyond. The myriad causes remain fundamentally the same throughout adulthood, although some are more likely during your senior years compared to when you were younger. Age-related changes in your immune, digestive and circulatory systems, and the increased risk for certain medical conditions and their treatment influence the most likely causes of diarrhea during your senior years....

Blood pressure levels fluctuate throughout the day, with the lowest readings usually occurring when a person is asleep. Once a person rises in the morning, blood pressure levels begin to increase. Several medical conditions and lifestyle factors can also cause increases in morning blood pressure readings. Controlling these factors can help reduce blood pressure levels in the early hours. Advertisement Sleep Apnea Sleep apnea is a medical condition characterized by heavy snoring and pauses in respiration during the night....