Question

Give reason in support of the statement:

“Medical discoveries such as antibiotics and vaccinations have indirectly contributed to the sharp rise in human population in the present century”.

Answer 1

Antibiotics:

1. Antibiotics were a breakthrough in the history of the whole world after their discovery in the 20^th century.
2. They are substances that are used to treat bacterial and fungal infections.
3. They kill or stop the growth of bacteria.

Vaccination:

1. They are composed of weakened or killed microbes or their toxins, which when administered in the human body provide acquired immunity against the disease.
2. Vaccines have provided relief and saved mankind from even the deadliest of diseases.

The rise in human population:

1. Both vaccines and antibiotics have increased the overall life expectancy of human beings.
2. As opposed to the old days when people died in great numbers from various diseases now most of them are curable.
3. As a result death rate has come down and the population size has gone up.