Explanation

Stuttering is a speech disorder that involves frequent problems with the normal flow of speech.

It is also called stammering

People who stutter may:

• Repeat words
• Stretch out sounds
• Have trouble starting words, especially under stress or excitement.

Explanation

Smoking increases the risk of blood clots forming in arteries supplying the heart and brain.

These clots can lead to life-threatening conditions like heart attacks and strokes.

Explanation

Children under 5 are most vulnerable to waterborne diseases due to their developing immune systems and high susceptibility to dehydration.

Poor sanitation and contaminated water sources can severely impact young children, leading to high mortality rates in this age group.

Explanation

Diphtheria is a bacterial infection caused by Corynebacterium diphtheriae.

It affects the respiratory system.

It can lead to serious complications if untreated.

Explanation

Leukemia is a type of cancer that affects the white blood cells.

It causes the body to produce abnormal white blood cells that don't function properly.

Explanation

SO2 (Sulfur Dioxide) is a toxic gas that, when present in the air.

It can cause lung diseases.

It has been linked to an increased risk of cancer, including stone (kidney) cancer.

It is mainly produced by industrial processes and the burning of fossil fuels.

Explanation

Thalassemia is a genetic blood disorder caused by an abnormality in hemoglobin production.

It leads to reduced oxygen-carrying capacity of red blood cells.

Explanation

Salmonella typhi is the bacterium that causes typhoid fever.

It spreads through contaminated food or water.

Explanation

Cholera means ہیضہ

Typhoid means ایک قسم کا بخار

Typhoid and cholera spread through contaminated water, especially in areas with poor sanitation.

They are classic examples of water-borne diseases caused by bacteria like Salmonella typhi and Vibrio cholerae.

Explanation