Death has always been one of life’s greatest mysteries, and despite centuries of study and speculation, it still stirs unease. Yet science continues to find surprising clues about what happens as life comes to an end. One particularly fascinating revelation is the role our sense of smell may play in detecting death—both in others and within ourselves. While it may sound like something out of a movie, growing research suggests that our nose might be more in tune with mortality than we ever imagined.

For years, people have shared personal stories of sensing an odd smell before the death of a loved one. It’s sparked the idea that smell could be linked to a sort of sixth sense. Some scientists theorize that when a person nears death, their body releases unique chemicals that aren’t obvious to most but may be detected by those with highly sensitive noses. Others believe these smells may not be literal but emotional signals our bodies pick up subconsciously through scent, subtly warning us that something is about to happen.

While solid evidence remains limited, animal studies offer compelling insights. For instance, dogs and even cats have demonstrated the ability to detect illnesses like cancer through scent. Some animals living in care homes have an uncanny knack for predicting when patients are near death, often curling up beside them just hours before they pass. This raises the question: could some humans also have the ability to detect death through smell?

Interestingly, our own ability to smell—or the loss of it—may also signal looming health issues. Scientists have found strong connections between declining olfactory function and diseases like Alzheimer’s and Parkinson’s. In fact, the loss of smell often appears before any other symptoms. This makes it a potential early warning sign for more serious health concerns. A study from the Journal of the American Geriatrics Society even discovered that older adults with poor smell function were more likely to die within five years than those with a healthy sense of smell. That means something as simple as not being able to smell your morning coffee could hint at larger health risks down the line.

So, could smell be the next big frontier in medicine? Possibly. Researchers are actively studying how the body changes chemically near death and how those changes might be detected through scent. There’s even hope that this research could lead to new diagnostic tools, helping doctors spot diseases earlier—or even prepare families for end-of-life transitions.

Speaking of which, understanding what happens physically and emotionally as someone nears death is essential for families and caregivers. Knowing what to expect can help reduce fear and create a more supportive and peaceful environment.

In the final weeks of life, people often start to withdraw from daily routines and loved ones. They may eat less, lose weight, or spend more time reflecting on their past. As the days go by, changes become more pronounced—more sleep, less interaction, and signs of physical decline such as labored breathing or a weakened pulse. Emotional and mental shifts can include hallucinations, confusion, or moments of clarity. It’s not uncommon for someone to seem suddenly alert just hours before passing.

In the final hours, the body shuts down gradually. Breathing becomes irregular, limbs turn cool, and skin may change color. Family members should focus on creating a calm space—gentle music, soft words, and holding hands can all bring comfort during this sacred time.

When death finally comes, the body completely relaxes. Breathing and heartbeat stop, pupils dilate, and the skin takes on a waxy appearance. It’s a deeply emotional moment, but it also marks the end of suffering. Families should allow themselves time to grieve and remember that this transition, as heartbreaking as it is, is a natural part of life.

Knowing the signs of death can help caregivers respond with compassion. These include decreased appetite, incontinence, changes in vital signs, increased sleep, confusion, and hallucinations. Each of these symptoms is a cue to offer comfort, not correction. Whether it’s moistening lips, playing favorite music, or simply being present, small gestures go a long way.

It’s also important to care for yourself during this time. Providing end-of-life care is emotionally and physically exhausting. Make time for rest, seek support, and talk to others who understand what you’re going through. Hospice services, counseling, and support groups can offer essential guidance. And remember, your role—your presence—is a profound gift.

Grieving doesn’t follow a straight path. Everyone processes loss differently, and there’s no right or wrong way to mourn. What matters most is that you honor your loved one’s memory while also tending to your own healing.

In the end, whether through the nose or the heart, our bodies often know when death is near. And while science still has much to learn, understanding the signs and being prepared can turn a time of sorrow into one of grace and deep connection.