When the first cells appeared on Earth approximately 3.8 billion years ago, viruses were already here to greet them. Ever since, viruses have been devising ways to infect cells, and cells have been ...

It starts with a sneeze. Someone on the subway didn't cover their mouth and now a cloud of invisible invaders hangs in the ...

Some of our biggest threats can come in the tiniest forms—viruses and bacteria. Thankfully, we are born with a built-in ...

Researching the immune system in space could have payoffs for human aging on earth. Scientists have revealed how the lack of gravity affects the cells of the immune system at single cell resolution.

Rochester, Minn. — The immune system is meant to protect the body from infection and disease. But with age, it can become less capable of doing so. However, Mayo Clinic researchers have found that ...

For the first time, scientists have unraveled just how high levels of fructose affect the body, flipping a genetic switch as it's broken down – one that primes your immune system to overreact to ...

To our immune system, naked RNA is a sign of a viral or bacterial invasion and must be attacked. But our own cells also have RNA. To ward off trouble, our cells clothe their RNA in sugars, Vijay ...

Although winter is coming to a close, cold and flu season is still threatening our immune systems. Staying healthy is a marriage of several simple practices, according to Dr. Roger Seheult, a critical ...

Your body’s stress response can trigger several physiological changes, which can affect immune function. Why you’re stressed and how long you’re stressed can impact how your immune system responds.

Scientists have discovered a sugar compound from deep-sea bacteria that can destroy cancer cells in a dramatic way. This natural substance, produced by microbes living in the ocean, causes cancer ...