Heather Mayer Irvine
LIVESTRONG.COM
Pennsylvania, United States
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Past articles by Heather:
How Often Should You Change Up Your Workout Routine?
To improve performance or strength, you should change up your workout routine. How often you should do this depends on your fitness and performance goals. → Read More
Why One Leg Is Stronger Than the Other and What to Do About It
You may notice one leg is stronger than the other. That doesn't necessarily mean it's a problem, but you can strengthen your weaker leg. Experts share how. → Read More
8 Foods High in Histamine to Limit if You Have Histamine Intolerance
Histamine is a chemical produced by your immune system, but it's also found in foods. Foods high in histamine include alcohol, aged cheese, chocolate and more. → Read More
20 Foods High in Selenium for Thyroid Health
The top foods high in selenium are both plant- and animal-based and include Brazil nuts, oysters and fish as well as some vegetables such as mushrooms. → Read More
10 Foods High in Omega-6 That Are Really Good for You
The top foods high in omega-6 fatty acids are mostly plant-based and include tofu, nuts and nut oils, and avocado. Some meats are high in omega-6, too. → Read More
Smart Swaps for the 8 Saltiest Foods on the Planet
Try these tasty low-sodium substitutes for the 8 high-sodium foods on the planet, including bread, pizza, cold cuts and cured meats and canned soups. → Read More
14 Foods High in Vitamin E for Healthy Skin
The top foods high in vitamin E are both plant- and animal-based and include nuts and seeds, avocado, spinach, some types of seafood, bell pepper and more. → Read More
13 Foods High in Magnesium for Muscle and Nerve Health
The top foods high in magnesium are all plant-based and include spinach, squash and pumpkin seeds and beans. See the foods high in magnesium chart for more. → Read More
14 Foods High in Phosphorus for Strong Teeth and Bones
Foods high in phosphorous are both plant- and animal-based and include seafood, poultry, soy and legumes. See our foods high in phosphorus chart for more. → Read More
22 Foods High in Vitamin A for Sharp Vision
The top foods high in vitamin A mostly come from fruits and vegetables such as sweet potato, squash, leafy greens, peppers, melons, broccoli and more. → Read More
23 Top Foods High in Vitamin K You'll Love
The top foods high in vitamin K are fruits and vegetables, most notably leafy greens, such as spinach, collard greens, kale, as well as berries and pomegranates. → Read More
24 Foods High in Vitamin C for a Healthy Immune System
The top foods high in vitamin C are fruits and vegetables such as guava, peppers, broccoli, berries and oranges. See the foods high in vitamin C chart for more. → Read More
18 Foods High in Omega-3s for Better Brain Health
The top foods high in omega-3s come from both animal- and plant-based sources and include flax and chia seeds, seafood like salmon and herring, and tofu. → Read More
15 Foods High in Iodine for a Healthy Metabolism
The top foods high in iodine come from both animal- and plant-based sources and include seaweed, seafood, beans, poultry and meat as well as dairy products. → Read More
15 Foods High in Healthy Fat to Keep You Full
Foods high in healthy fat mostly come from plant-based sources — including avocado, tofu, olives, nuts and seeds — and include some dairy, seafood and eggs. → Read More
15 Foods High in Zinc for a Stronger Immune System
The top foods high in zinc come from both animal- and plant-based sources and include oysters, fortified cereal, beef and legumes like chickpeas and lentils. → Read More
20 Foods High in Potassium for a Healthy Heart
Most foods high in potassium come from plant-based sources (beet greens and bananas) as well as fish and dairy. See the foods high in potassium chart for more. → Read More
20 Foods High in Protein for Plant-Based and Meat-Eaters Alike
The top foods high in protein come from both animal- and plant-based sources and include beef, poultry, seafood like salmon, tofu, legumes and dairy products. → Read More
20 Foods High in Iron
The top foods high in iron come from both animal- and plant-based sources and include chicken liver, fortified cereal, spinach, seafood, beans and legumes. → Read More
Low-Impact Cardio Benefits and the 5 Best Workouts to Try
Low-impact cardio, like walking and cycling, is easy on your joints, gets your heart pumping and burns calories. Learn about the top low-impact cardio benefits. → Read More