If common ways of stress management repeatedly fail, the chapter warns this may lead to which serious problems?

1. The chapter says we have many ways to manage stress, like hobbies, sports, yoga and meditation. 2. It cautions that if these are not successful, it can lead to more serious problems like depression and frustration. 3. Option C names these outcomes. 4. The improved-memory option contradicts the warning, since the text describes worsening, not improvement. 5. Stronger-immunity and better-appetite options likewise describe gains the text does not promise on failure. 6. For such persons it recommends medical advice, counselling and psychotherapy, confirming C. _Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 9 "Social Health", p.116_