The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph. 

P - More and more people are becoming conscious about their health.

Q - These advertisements highlight the nutritional value and health benefits of the products.

R - This is why a lot of food processing companies are coming out with health-specific products.

S - Further, to promote such products, specific advertisements are being made.