Answer:
Why is the consumption of dietary supplements considered risky? because they are not officially tested by the government for effectiveness because manufacturers label them as natural but put harmful substances in them because their use can cause mental problems such as paranoia and irritability.
Answer: C. David feels sad for a long period, even when something good happens.
Explanation: i felt like that.. so they decided i needed a therapist... funny cause my friend David helped me through those tough days.
C because reversibility means when taking a break it'll be hard to get back on schedule <span />
