The human body has two different immune systems with different roles. But did you know that one of those systems can be trained to seek out and destroy cancer? That’s exactly what immunotherapy is all about and why researchers are excited about a nutrient found in certain foods that could double our immune power against cancer.

Shingles can strike anyone who’s had chickenpox, although older adults tend to be more susceptible. This painful, burning, itching rash takes time to heal. But you can relieve its symptoms through a number of natural means while waiting for it to disappear…

Brushing and flossing your teeth is about far more than just avoiding cavities. In fact, the health of your mouth is tied to serious conditions from diabetes to heart disease. But until now, the reason wasn’t clear. Now researchers know it’s tied to a particularly powerful immune cell that, when hyperactivated, can circulate through your body to do major damage…

Everyone knows that eating fish is good for you. There’s the brain- and heart-healthy omega-3s, good fats and protein, not to mention the vitamins and nutrients many of us don’t get enough of, like iodine and vitamin D. But before you put fish on the table, there’s a growing risk you need to consider — and help from a surprising source…

When you hear the words “immune system,” you probably think immediately of your body’s defense against seasonal maladies like cold and flu. A strong immune system is definitely an asset in protecting you from these and other invaders. But it turns out the immune system does a lot more than protect against microbes and infection.

When you’re feeling sick and just want to find relief, you trust that the prescription your doctor sends you home with is not only going to help you feel better but that it’s also safe. But a word of caution… there is a common antibiotic you need to think twice about if you take other medications regularly, even if your doctor says you need it, or you could end up with a heart attack.

The common cold is far from dangerous, but it still makes you miserable by walloping you with a cough, a headache, congestion, a low-grade fever and that awful fatigued feeling you get when you’re sick. But the next time you’re laid up with a serious cold, you have a big bright side to think about… colds may be able to prevent the more dangerous flu virus from infecting your airways…

People with stomach cancer (gastric cancer) often don’t show symptoms until the disease has reached advanced stages. The common bacterium H. pylori causes stomach cancer, but even if you carry this germ in your digestive tract, your diet can help keep you from falling victim, especially if you’re a fan of cranberry juice…

As we get older, some vitamins and minerals become especially important. We don’t process them as well and need to get more of them from our diet to protect ourselves from health complications that will make our golden years not so golden.

Researchers have known for a while that a case of the flu is hard on your heart. In fact, serious heart complications following recovery, even fatal heart attack, can occur. But until recently, they haven’t known exactly how prevalent the danger could be…

Research shows that about 1 in 10 people deal with negative effects after taking antibiotics. This could include anything from chronic diarrhea to the sudden appearance of allergies to issues with blood sugar. But of all the potential impacts antibiotics can have on your health, there’s one that’s starting to appear more common — and more serious — than all the others…

There are trillions of bacteria, both good and not-so-good, colonizing your gut. Now, researchers have uncovered the staggering extent to which those bacteria impact your health. It turns out bacteria are directly tied to specific diseases. Time to get serious about your microbiome…