The other 100 disinfection by-products in pool water, if you really want to worry. Some are known mutagens, meaning they cause mutations, which could lead to cancer. But one review found that even with all these chemicals, swimming pool water is about as mutagenic as drinking water.
Custodial Accounts. A custodial account is a bank or other financial account that a person opens for the benefit of another person, called the beneficiary. The person who opens the account is often the custodian -- the person who manages the account -- although it's also possible to name a third party as custodian.
Custodial Account. Invest on behalf of a minor with a custodial account (also known as an UGMA or UTMA account, based on the Uniform Gifts/Transfers to Minors Acts). A custodial account at Fidelity is a brokerage account with comprehensive trading, mutual fund, and cash management features.