Human Health And Disease

Concept: Malnutrition is caused by multiple interconnected factors including social, dietary, and awareness-related issues. Step 1:Analyze statement A.
Poor sanitation and lack of clean drinking water lead to infections and poor nutrient absorption.

Step 2:Analyze statement B.
Lack of a balanced diet directly causes nutrient deficiencies.

Step 3:Analyze statement C.
Lack of awareness leads to poor food choices and improper nutrition.
Final Answer:

Concept: Certain foods, including chocolate, may contain trace metals that can affect health. Step 1:Identify the metal present.
Chocolate is known to contain relatively higher amounts of nickel, which may cause allergic reactions in sensitive individuals.
Step 2:Eliminate incorrect options.}

• Cobalt Not significant in chocolate
• Zinc Essential nutrient, not harmful at normal levels
• Lead Toxic, but not typically associated with chocolate content

Final Answer: