Maybe we shouldn't be surprised that so-called "zombie cells" come with a catch. In response to severe damage, when cells can ...

Recent immunology research has unveiled the complex relationship between vitamin D and immune system function. This vital nutrient is involved in the development and function of the immune system, ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

Daily life is shaped by the solar day, influencing when we wake up, eat, work and sleep. Inside the body, a similar internal ...

Add Yahoo as a preferred source to see more of our stories on Google. These immunity-supporting foods can help you stay healthy and vibrant all winter long. With cold and flu season around the corner, ...

Sleep does more than fight fatigue. Doctors explain how a chronic lack of sleep weakens immunity, affects vaccine response, ...

They may help you avoid age-related chronic illnesses.

Traumatic brain injuries (TBI)—even mild concussions—may trigger a chain reaction in the brain that disrupts neuronal ...

Daily usage of a popular over-the-counter medication may compromise immune function while offering temporary pain relief, recent findings indicate. Millions reach for their medicine cabinet daily, ...

One of the first areas affected by smoking is the respiratory tract. Smoking damages and weakens these protective structures.