WebMD

Have you ever wondered what causes nightmares? They happen during REM sleep — the stage when your brain is working almost as hard as when you’re awake — and they’re more than just “bad dreams.” wb.md/4wEQx3I

Research shows that green spaces, areas with natural elements like trees, grass, or gardens, boost your overall well-being. That includes your physical and mental health. wb.md/3SZKEzL

When it comes to vitamins and minerals, you're probably looking for the bottom line: how much do you need, and what foods have them? Here's what to know: wb.md/4vvkJ0n

The CDC and FDA have linked iceberg lettuce supplied to Taco Bell by Taylor Farms to an outbreak of cyclosporiasis in 5 states, according to a report from the New York Times. Reports say that the CDC has not officially named Taylor Farms in its investigation; however, the FDA has linked the outbreak to a single supplier of iceberg lettuce from Mexico, according to a statement from the agency. Cases of cyclosporiasis have surged across the US, with over 6,000 cases across 34 states. Cyclosporiasis is an illness you can get if you eat food contaminated with a parasite called Cyclospora cayetanensis. Cyclospora can infect your small intestine and cause days or even weeks of digestive symptoms like watery or explosive diarrhea. Learn more about the illness by tapping the link. wb.md/455tHGS

Chia seeds are an incredible source of alpha-linoleic acid (ALA), an omega-3 fatty acid that helps to promote heart health. It also promotes a lower ratio of omega-6 to omega-3 fatty acids. A lower ratio is linked to reduced risks of chronic disorders such as heart disease, cancer, and inflammatory conditions. What to know about this superfood: wb.md/4ykAeuz

Body dysmorphia can affect anyone. It usually begins during the teen years or early adulthood. In the U.S., about 2.4% of adults have BDD, which affects slightly more women and people assigned female at birth than men and people assigned male at birth. wb.md/4ylDTbM

Salt is more than just a flavoring. It can also help treat everything from stains on teeth to constipation. Find out more about all the uses you can find for this kitchen staple. wb.md/4faJJ6T

No matter how you treat your AFib, your daily habits can help your heart. Eat a heart-healthy diet. Cut back on the caffeine you drink. Read medicine labels to check for decongestants -- especially in cold and cough medicines. Limit alcohol to no more than 1 drink a day if you're a woman and 2 if you're a man. Get regular exercise. And if you smoke, quit. Talk to your doctor if your symptoms get worse. wb.md/3SWbzfW

As tick season intensifies, concerns about Lyme disease increase. Be aware of the early symptoms of Lyme disease, effective treatment options, and ways to prevent this disease altogether: wb.md/4fhccrZ

When your doctor diagnosed you with ADHD, were you honest about your life and symptoms? If not, you may be on the wrong treatment -- and you could be worse off. Click on the link to know why : wb.md/4ymHING

From baking soda and hydrogen peroxide to apple cider vinegar and turmeric, there are supposedly lots of ways to naturally whiten your teeth. What you should know before you try any of them: wb.md/4fyDo6C

If you're feeling drained and depleted, get a pick-me-up with water. Dehydration makes you feel tired. The right amount of water could help your heart pump your blood more effectively. wb.md/4pswvY8

Chicken meat, particularly chicken breast, is an excellent source of protein as well as niacin. A three-ounce serving of skinless breast meat provides 10.3 mg. Niacin is an important water-soluble vitamin that helps turn food into energy. Learn why this vitamin is important and what foods you can eat to ensure you get enough. wb.md/4aUKy2t

Not getting enough sleep can make you more likely to catch viruses or germs. And you also may take longer to get better. That’s because your body can’t make as many infection-fighting cells and proteins called antibodies that help defend against illness. Your body releases certain proteins that help the immune system, called cytokines, only during sleep. wb.md/4wGkjFm

Confused about sunscreen? Find out the burning facts in this quiz. wb.md/4w2zlW2

Magnesium helps your heart pump blood. Right levels of the mineral can lower your chances of an irregular heartbeat, heart disease, or a heart attack. Magnesium relaxes the walls of your blood vessels, and that can help keep your blood pressure down. It also may help boost your HDL, or “good,” cholesterol levels. wb.md/4eXrdQG

"I was born and raised in the Caribbean, which means I grew up in an average of 100 degrees daily all my life. Heat should be right up my alley. Well, let me tell you, I feel like I'm melting right now. I just can't handle the heat as well as I used to." shares our blogger, Mayteé Ramos. wb.md/3TdpVIM

Try including protein with all your meals and snacks. It helps you feel full and slows how fast carbohydrates go into your bloodstream. That’s important when it comes to keeping your blood sugar steady. Sources include fatty fish and seafood, plant-based protein like beans and lentils, eggs and low-fat dairy, and lean meats. Learn what to eat -- and possibly stop diabetes in its tracks -- when you’ve been diagnosed with prediabetes. wb.md/3T1GJ5u

If you have pain in your arms, legs, or both, your muscles may not be getting enough blood -- a problem called claudication. More possible reasons for body aches: wb.md/3SXahkJ

Depression doesn’t affect just your mood -- the disorder can change your brain. One study found that people who were depressed for more than a decade had about 30% more brain inflammation. wb.md/4vq7zBE