The FDA approved a home kit test for breast cancer test for breast cancer designed by popular DNA testing company 23AndMe. Researchers in 23AndMe company are handling thousands of saliva samples from people who used the home kit to get genetic information about their family or health.
https://spinonews.com/2018/03/10/fda-approves-popular-dna-testing-company-home-kit-test-for-breast-cancer/