TAKE GOOD CARE OF YOUR HEALTH BEFORE ITS TOO LATE
TAKE GOOD CARE OF YOUR HEALTH BEFORE ITS TOO LATE
STARTS WITH OXIDATIVE STRESS
Oxidative stress is a disproportion between antioxidants and free radicals in your body. Free radicals are also known as reactive oxygen species (ROS). These are chemical compounds formed by oxidation, for example, as by-products of metabolism. The body produces free radicals as a reaction to environmental and other pressures, as the body processes food and reacts to the environment.
“Therefore,
it is totally normal to have some free radicals in your body.”
However, free
radicals are oxygen-containing unsteady atoms with an unequal
number of electrons which lets them to effortlessly react with other different
atoms. What’s more, since free radicals react with other atoms so simply –
they can cause enormous chain reactions your body.
When
the proportion of free
radicals in the body increases significantly and, due to their
high activity, will instead begin to attack the body’s own cells, damaging the
cells. The damaged cells, in turn, produce new free radicals.
In conclusion, if the body cannot process and remove free radicals efficiently, oxidative stress can result, and this can harm cells and body functions that lead to an overall aging of the body.
Free Radicals
These radicals are exceptionally unsteady atoms that have electrons accessible to respond with different natural substrates, for example DNA, proteins and lipids. Free radicals include:
•
Hydroxyl (OH•)
•
Superoxide (O2•–)
•
Nitric oxide (NO•)
•
Nitrogen dioxide (NO2•)
•
Neroxyl (ROO•)
•
Lipid peroxyl (LOO•)
•
Also, hydrogen peroxide (H2O2), ozone (O3), singlet oxygen (1O2),
hypochlorous acid (HOCl), nitrous acid (HNO2), peroxynitrite (ONOO–),
dinitrogen trioxide (N2O3), lipid peroxide (LOOH), which are not free radicals
and generally called oxidants, but can easily lead to free radical reactions in
living organisms.
▪
Substances that can promote free
radicals may be found in the food we eat, the drugs and medicines we
take, the water we drink, and in the air we breathe.
▪
Free
radicals can cause destruction to parts of cells (cell membranes,
proteins and DNA) when stealing their electrons. The stealing process is called
oxidation. Therefore, the damage caused by free radicals is also called
“oxidative damage” or “oxidative stress”.
At
the point when free
radicals steal significant parts of the cell, those parts lose their
capacity to work properly, and the build-up of such harm may result in cell
death. In conclusion, increased activity of free radicals causes or quickens
cell injury and prompts sicknesses.
The
Causes of a Dangerous Increase of Free Radicals and Oxidative Stress
The
increase of free
radicals can be dangerous, but antioxidants can
protect against the cell damage that free
radicals cause, known as oxidative stress.
However,
the antioxidant
defense system can be weak because of disease, aging, low levels
of antioxidants in
food, and poor intake. Factors that increase the production of free
radicals in the body can be internal, or external.
Internal
causes of the high free radical level in the body that can lead to cell damage
and oxidative stress include:
•
Mitochondrial activity.
•
Inflammation.
•
Tissue trauma, due to inflammation and injury.
•
Ischemia and reperfusion damage.
•
Stress.
•
Infectious and chronic diseases.
•
High internal toxin
level.
•
Age.
•
Obesity.
External
causes of the high free radical level in the body that can lead to cell damage
and oxidative stress include:
•
Consumption of certain foods, especially fried, refined and processed
foods, trans fats, artificial sweeteners, food containing carcinogens, and
certain dyes and additives.
•
Excessive exercise.
•
Smoking.
•
UV exposure, and cigarette smoke.
•
Environmental toxins and pollution.
•
Radiation.
•
Exposure to chemicals, such as pesticides and drugs, including chemotherapy, and
the consumption of skincare products
that contain high amounts of parabens
and other chemicals.
•
Alcohol.
•
Some medications.
•
In addition, low levels of antioxidants in
food.
Oxidative Stress Symptoms
How do you know if you have oxidative stress? Here are a few signs to look out for:
•
Wrinkles and grey hair
•
Decreased eye sight
•
Fatigue
•
Memory loss and/or brain fog
•
Muscle and/or joint pain
•
Headaches and sensitivity to noise
•
Susceptibility to infections
Oxidative
stress is linked with significant decrease in the effectiveness of antioxidant defenses
or increased production of oxidizing species. However, the severity of
oxidative stress depends upon the cells ability to overcome this disruption and
recover its original state.
Even
moderate oxidation may trigger apoptosis, and
extreme oxidative stress can cause cell death and necrosis.
In other
words, when there are excessive free
radicals in your body, the free
radicals can start damaging DNA, proteins, and fatty tissue in
your body. All these (DNA, proteins and lipids) make up a huge part of your
body, so the destruction of free
radicals can accelerate aging, and cause a variety of
diseases.
Oxidative stress also is likely to be involved in age-related development of cancer.
Oxidative stress and the damage of free radicals has been linked to:
- Cancer – certain cancers
are triggered by damaged cell DNA.
- Atherosclerosis.
- Vision loss –
deterioration of the eye lens, which contributes to blindness.
- Heart disease – increased
risk of coronary heart disease, since free radicals encourage low-density
lipoprotein (LDL) cholesterol to stick to artery walls.
- Arthritis – inflammation
of the joints.
- Stroke.
- Respiratory diseases.
- Immune deficiency.
- Emphysema.
- Parkinson’s disease –
damage to nerve cells in the brain, which contributes to this condition.
Oxidative
stress and the damage of free radicals has been linked to:
- Alzheimer’s disease – also
damage to nerve cells in the brain.
- Obesity.
- Hair loss and gray hair.
- Fast aging – acceleration
of the ageing process.
- An excessive release of free
iron or copper ions.
- A disruption of electron
transport chains.
- An increase in enzymes that
generate free
radicals.
- Inflammatory joint disease.
- Asthma.
- Diabetes.
- Senile dementia.
- In addition, other inflammatory
or ischemic conditions.
It is
thought that the free
radicals cause changes in the cells that lead to these and
possibly also other conditions. However, antioxidants help
to neutralize free radicals in our bodies, which also boosts our overall
health.
Antioxidants Help Against Free Radicals and Oxidative Stress
The good news is, that antioxidants are the defence mechanism against free radicals. Antioxidants are substances that inhibit and regulate the formation of free radicals, and prevent or slow down the damage to cells caused by free radicals.
So,
because of that antioxidants are
sometimes also called “free-radical scavengers.”
The
sources of antioxidants can
be natural or artificial. Your body also produces some antioxidants,
known as endogenous antioxidants. Antioxidants that
come from outside the body are called exogenous.
Above
all, each antioxidant serves
a different function and is not interchangeable with another. This is why it is
important to have a varied diet.
Antioxidants:
•
Slow aging processes
•
Decrease risk of atherosclerosis
•
Reduce risk of heart disease and stroke
•
Slow Alzheimer’s disease
•
Decrease the chance of developing tumors
•
In addition, reduce the damage caused by cigarette smoke, etc.
Antioxidant
Rich Foods and Food Supplements Fights Oxidative Stress
Buying
all fruits and vegetables to in order to have
antioxidants that needs our body.
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