Disease can arise both when immune cells are too active and when they're not active enough. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For ...

A single signaling pathway controls whether immune cells attack or befriend cells they encounter while patrolling our bodies, ...

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, ...

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.