Even in mild doses, marijuana negatively affects

• A. mood.
• B. appetite.
• C. reaction time.
• D. the ability to sleep.

Answer: (C)

Verified step by step guidance

1. Identify the key components of the problem: The problem is asking about the effects of marijuana, even in mild doses, on various aspects such as mood, appetite, reaction time, and the ability to sleep.
2. Understand the context: Marijuana is a psychoactive drug that can have various effects on the brain and body. It is important to consider how it might impact cognitive and physical functions.
3. Consider the options provided: Analyze each option (mood, appetite, reaction time, ability to sleep) and think about how marijuana might influence these areas.
4. Focus on reaction time: Research and psychological studies often highlight that marijuana, even in mild doses, can impair cognitive functions such as reaction time. This is because marijuana affects the central nervous system, slowing down the processing speed.
5. Conclude with the correct answer: Based on the understanding of marijuana's effects, the most directly impacted area in terms of immediate cognitive function is reaction time, making it the correct answer.