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

P: The worrying bit is that regular consumption of junk food even for few days can lead to a mental meltdown.

Q: The dark side of junk foods is not an unknown fact.

R: junk food can actually cause serious damage to your brain.

S: Not only do they add inches to your waistline, but scientists and researchers have also indicated through various studies that