Tag: Biological signals

Every second, trillions of cells communicate with each other through a complex network of signaling pathways, a fundamental process for all living things. Understanding **what are the different types of signals** is critical to comprehending not just these internal biological processes, but also the technology that monitors our health.

According to scientific research, a person's body odor can subtly shift when their immune system is activated, a change that other humans can sometimes detect. But **can you smell people when they are sick**? The answer lies in the volatile organic compounds (VOCs) released by the body during illness, offering a fascinating glimpse into a biological defense mechanism.