Difference between revisions of "Health-and-Nutrition/C2/Junk-food/English"

Title Slide

Image: Collage of ill effects of junk food

1. Contents of junk food

2. Harmful effects of junk food on our body

Image: Collage of ingredients

Image: Collage of method of preparation (frying, baking, etc)

Image: Nutrients

First two factors are ingredients and the method of cooking.

The nutrient content of the food is the third important factor.

Many artificial colors, flavours and preservatives are added to these food.

This is done to enhance the taste, appearance and shelf life of the food.

Image: Collage of fruits, vegetables, grain with downward arrow

They have none or little amounts of protein, fiber, vitamins and minerals.

They do not have any essential nutrients which are required by our body.

Collage: Samosa, kachori, pakore, poori, chaat, Noodles, maggi, burgers, pizza, fries

Majority of the fast food are also junk food.

For example: pizza, burgers, french fries, noodles, samosa, puff pastry, etc.

For example: cold drinks, fruit juices and artificially flavoured drinks.

Even caffeinated drinks, soda and energy drinks are included.

Image: Collage of biscuits, cake, chocolate, ice cream, candy

Biscuit, cake, chocolate, candy, ice cream are other examples.

GIF: Pancreas secreting insulin

GIF: Glucose picked up by body cells with the help of insulin

Image: Fat getting stored

Junk food which is high in sugar causes immediate rise in blood sugar levels.

As a result, the pancreas releases insulin in our blood.

Insulin is a hormone which acts like a key to open the cells.

The cells absorb sugar from the blood to provide us energy.

Excess sugar gets stored as fat in the body.

Image Rise in insulin and blood sugar levels

Regular eating of high sugar food can cause insulin resistance.

During insulin resistance, the body is unable to respond to insulin or use it.

Therefore, sugar is not taken up by our cells from the blood.

As a result, there is a rise in insulin levels and blood sugar levels.

The high insulin levels send signals for hunger to the brain.

The body starts craving more food even if it is not hungry.

This creates a vicious cycle and causes overeating.

Image: Finishing the entire plate of ladoo

Image: Hunger signals to the brain

While eating a biscuit or ladoo, we can't restrict ourselves to one piece.

We crave to eat it more and more.

We mostly finish the entire packet of biscuits or many ladoos at a time.

This is because of the hunger signals which are sent to the brain.

Image: Increase in sodium levels

Image: Puffed hands and feet

On eating food high in sugar and salt, our sodium level increases.

Sugar enhances the sodium absorption in the body by the kidney.

As a result, sodium gets retained in the body.

This causes an increase in blood pressure and water retention in the body.

As a result, puffiness in hands and feet can be seen.

Image: Increase in sodium in our blood

Image: Brain giving signals for water

After eating chips we usually feel thirsty.

This is because sodium levels in our blood increases on eating salty food.

The brain then sends signals of thirst so that we drink more water.

Image: Drinking cold drink or juice

Image: Increase in blood sugar levels

Image: Increased sodium absorption in kidney

Image: Rise in blood pressure

Image: Increase in B.P

But, drinking juice or cold drinks will increase the sugar levels in the body.

This will result in a rise in the blood pressure.

Image: Wheat refined flour

Refined wheat flour is most commonly used.

These refined flours are low in fiber and lack essential nutrients.

Image: Stomach getting empty (clock moving fast in the side while editing)

It gets digested slowly and gives us a feeling of fullness for a long time.

Therefore, when we eat junk food low in fiber it gets quickly digested.

Our stomach gets empty very quickly and we feel hungry again.

Image: Fiber rich food + More good bacteria in the intestine

Image: Collage of human anatomy, immunity, healthy skin

Our gut comprises of both good and bad bacteria.

Fiber promotes the growth of good bacteria.

Thereby, helping in proper digestion and absorption of nutrients.

Other benefits are strong immunity, healthy skin and reduced inflammation.

Image: Constipation

This makes the stools soft and bulky.

Thus, the stool moves easily through the intestine.

Since junk food is low in fiber, eating it regularly can cause constipation.

Image: Inflammation in body

Image: Collage of various diseases

This increases inflammation and the risk of various diseases.

Image: Collage of cakes, biscuits, baked products

Cakes, biscuits, baked products, margarines, vanaspati all have trans-fat.

Image: Cholesterol in blood

Image: Good cholesterol Collage of brain, skin, and different organs

Image: Bad cholesterol + diseases

Cholesterol is a type of fat found in our blood.

Good cholesterol helps in proper working of the brain, skin, heart, etc.

But, excess of bad cholesterol is not good for our health.

Examples are sunflower oil, safflower oil, soybean oil.

Even corn oil and cottonseed oil are included.

Image: Deposition of cholesterol on blood vessels

Excess of bad cholesterol gets deposited on the walls of our blood vessels.

Image: insulin resistance and heart diseases

This results in the development of insulin resistance and heart diseases.

Image: Fat deposition on arteries

Image: Damaged heart

Obesity, high blood pressure, diabetes are the most common.

They can also cause a risk of increased bad cholesterol and heart diseases.

Image: Cyst on ovaries

Image: Child vomiting

Image: Child refusing to eat

You may experience nausea, vomiting and reduced appetite.

Image: Feeling tired and sleepy

Therefore, eating too much junk food can weaken our immune system.

Due to which we may often feel tired and weak.

Image: A child eating lots of junk food with cross mark while editing

Without giving a thought we eat them regularly in large amounts.

Thank you for joining.