[A] avoid [B] biologically [C] chemically [D] ingredients [E] maintains

[F] market [G] maximizes [H] minimizes [I] normal [J] options

[K] personal [L]rare [M] reduces [N] regular [O] substances

You might think aspirin and ibuprofen (布洛芬) have the same function in terms of pain relief, but they’re not.

With all the drugstore【C1】_____for pain relief, you might be puzzled by which one to take and when. They’re both non-steroidal, anti-inflammatory drugs (NSAID)—pain relievers that have been on the【C2】_____for years.

The two are similar—but not interchangeable.

Only aspirin, not ibuprofen, belongs to a group of【C3】_____related compounds called salicylates which are a group of chemicals found in nature that have been used to treat health conditions for thousands of years. Both aspirin and ibuprofen relieve pain by blocking prostaglandins—natural hormone-like【C4】__in the body—and this【C5】_____pain and swelling.

A daily, low-dose of aspirin could help prevent a heart attack. That’s because aspirin【C6】_____blood clumping and keeps blood flowing to your heart. Consult with the doctor before starting daily or【C7】__aspirin therapy. Anyone with an aspirin allergy or history of bleeding should【C8】_____this therapy.

Young people under 12 years old should use ibuprofen if they are recovering from flu-like symptoms or chickenpox. Aspirin is not an option because it can be deadly for teens and children under 12. Aspirin increases the risk of developing a serious, even fatal condition, known as Reye’s syndrome. Although Reye’s can in【C9】_____cases occur in infants or young adults, it is most often a risk in people under 18 who have had a viral infection like the flu and take an aspirin-containing medication. Ibuprofen’s effect on blood cells or platelets is less significant, making it an option for【C10】_____relief.

【C4】