High-dose antioxidants may harm sperm and offspring — English Level A1

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 damage

antioxidants

supplement — a pill or substance taken for extra vitamins

supplements

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 supplement

doses

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

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High-dose antioxidants may harm sperm and offspring^{CEFR A1}

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High-dose antioxidants may harm sperm and offspring CEFR A1

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High-dose antioxidants may harm sperm and offspring^{CEFR A1}