Humans need fresh air
The air that we breathe is the basic element of life, as it is essential for the normal functioning of all the cells in our body. There is a basic human need for fresh air. Simply — we need air, and good air at that.
Why is air important?
Air is a major component of earth and contains a blend of elements (for example oxygen) that helps human life to sustain itself.
People can stay alive for days without water and for weeks even without food.
But without air, one cannot survive for more than a few minutes.
This is why air is the most important thing in life. The air we breathe not only helps us stay alive, it also determines the quality of life we live.

We need to perform certain actions and follow certain routines in our lives, such as coming home from work, or going to sleep and waking up or opening the windows. So we can enjoy our everyday lives, fresh air plays a pivitol part.

Essential aspects of fresh air
Functional
This is related to the practical aspects of connecting the inside to the outside. For example, like airing out a building or being able to act in connection with the weather and the house itself.
Aesthetic
This is from the perspective of the human body and its functions, i.e. regulating of body heat and odour, fresh air from activities in the house but also enjoyment of fresh breeze in a building.
Social
This relates to care and impression, the elements that deal with our need for being in control, that is airing your home to provide health for close ones, the feeling of freedom by opening the windows and letting the fresh air in and the sounds and the scents in the house.

Fresh air energises, improves and heals...
It makes you happier.
Seratonin release is affected by the amount of oxygen you have in your blood. Seratonin promotes a sense of happiness and well-being so the more fresh air you have will help to significantly boost your mood. This is often why you feel better, more relaxed and much more refreshed when you have been outside.
It increases your energy and sharpens your focus.
20% of the oxygen you breathe in is used by your brain to function. Increasing the amount of fresh air you have can provide greater clarity to the brain, promoting optimal function whilst helping you to think, focus and concentrate better.
It strengthens your immune system.
Each cell in the body needs oxygen to perform the metabolic processes necessary to sustain life. By increasing your intake of fresh air, you increase the amount of oxygen supplied to the body. This promotes the elimination of toxins and the destruction of harmful bacteria, parasites, and viruses by the white blood cells in the body.
It is good for your digestive system.
Fresh air increases oxygen flow into your cells which improves circulation and cell function and helps you digest food more efficiently. But if you work in an office where you are busy all day long and probably take your lunch in a hurry to resume work; your blood supply to the digestive tract will be diverted. Instead, of it flowing to digestive tract, you’ll have more blood being supplied to the brain to help maintain concentration. This, in turn, may disrupt the proper digestion of food and facilitate indigestion and abdominal discomfort.
It helps you sleep better at night.
Fresh air gives you a burst of oxygen, which increases the feel-good hormone serotonin in the brain. Serotonin helps you stay calm and relaxed, and this can helpo you experience a more peaceful sleep at night.
It lowers blood pressure and heart rate.
Every cell in your body needs oxygen to function. When there isn’t enough to go around, your heart needs to work harder to make sure that what’s available gets to where it needs to go. Fresh air has plenty of oxygen, so a few deep breaths helps to bring in more of this vital gas to your body. This means your heart can relax, since it takes less effort to deliver what your body needs. End result? Your heart rate slows down, and your blood pressure lowers.
It reduces airborne illnesses and infections.
Breathing in fresh air can help to reduce airborne illness and infection. This is because bacteria and viruses have a reduced chance of survival in fresh air.
It helps you heal faster.
Healing from illness and injuries is pretty taxing on the body. Since every cell requires oxygen, it makes sense that replacing damaged cells increases your body’s demand for air. While oxygen therapy has been shown to help improve recovery time for athletes, fresh air can help you feel better and heal faster, too.
It helps clean your lungs.
Fresh air is good for your lungs. When sitting indoors, it’s common to breathe shallowly, inhaling the air into the top of your lungs, known as apical breathing. When outdoors, moving, walking or jogging encourages increased diaphragmatic breathing. This means that you breathe more deeply, drawing more air deep into the bottom of your lungs. This not only brings more oxygen into your cells but helps the lungs to expel more airborne toxins from the body. This therefore helps you to cleanse from the inside.
It can prolong your lifespan.
When you are exposed to fresh air, it can help increase your lifespan by improving your overall health. Fresh air contains a variety of important chemicals and elements that can improve your immune system, keep your lungs healthy, and even protect your heart.
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Fresh air never gets old.Anonymous