The change in the number of olfactory neurons as we age increase the detection of warning smells

To answer this question, we need to understand the relationship between olfactory neurons and the detection of warning smells.

Olfactory neurons are responsible for our sense of smell. These specialized nerve cells are located in the olfactory epithelium, which is located in the nasal cavity. When we inhale, odor molecules in the air bind to receptors on the olfactory neurons, triggering chemical signals that are sent to our brain. This allows us to detect and identify different smells.

As we age, the number of olfactory neurons can change. One common observation is that the number of these neurons tends to decrease with age. This natural decline in olfactory neurons can result in a reduced ability to detect and distinguish smells.

However, it is important to note that the relationship between the change in the number of olfactory neurons and the detection of warning smells is not straightforward. The ability to detect warning smells depends on various factors, including the types of odor molecules involved and the sensitivity of the individual's olfactory system.

In the case of warning smells, such as the smell of smoke or spoiled food, the intensity of the odor is often much stronger. Even with a decrease in the number of olfactory neurons, it is still possible for an individual to detect these strong warning smells due to their high intensity.

Additionally, while the number of olfactory neurons may decline with age, other factors can also affect our ability to detect smells. These factors include changes in the olfactory receptors, decreased blood supply to the olfactory system, and changes in the brain's processing of olfactory information.

In summary, the change in the number of olfactory neurons as we age may result in a reduced ability to detect and distinguish smells. However, the detection of warning smells, which are often strong and intense, may still be possible even with a decrease in the number of olfactory neurons. Other factors, such as changes in olfactory receptors and brain processing, also play a role in our ability to detect smells.