The immune system is a complex network of cells and chemicals that defend the body against harmful invaders like bacteria, viruses, fungi, and parasites. It includes various components such as ...
The immune system exhibits remarkable plasticity, enabling dynamic responses to environmental cues while maintaining tissue homeostasis. Emerging evidence ...
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, ...
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