- A new study found harm from antioxidants in mice.
- Researchers gave antioxidant supplements to male mice.
- Male mice took antioxidants before mating with females.
- The supplements can damage sperm and sperm DNA.
- Baby mice showed changes in head and face shape.
- Female pups had smaller heads and closer-set eyes.
- Fathers looked healthy but babies still changed.
- High antioxidant doses can be unbalanced and harmful.
- Many vitamin pills include strong antioxidant ingredients.
- Men who plan children should be careful with supplements.
Difficult words
- antioxidant — a substance that can stop some cell damageantioxidants
- supplement — a pill or substance taken for extra vitaminssupplements
- damage — to cause harm or injury to a person or thing
- sperm — male reproductive cells used for fertilization
- dose — a measured amount of medicine or supplementdoses
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Do you take vitamin pills?
- If you planned a child, would you be careful with supplements?
- Do you know anyone who takes supplements?
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