NATURAL and NON-TOXIC ALTERNATIVES. See the Sea.org. It is not only when you use these chemical products that you are exposed to possibly negative effects. VOC's (volatile organic compounds) are part of many common household products. VOC's are found in the air of most homes where products such as cleaners are used and stored.
Sally Ride became the first American woman to go into space when she flew on the space shuttle Challenger on June 18, 1983. She made two shuttle flights, and later became a champion for science education and a role model for generations.
Lynn Sherr's Sally Ride: America's First Woman in Space recalls one notable incident: when male NASA engineers asked Ride how many tampons she'd need for her one-week journey, they suggested 100. Ride gracefully replied that she wouldn't need quite that many. We just want to be safe, the engineers replied.