Limitations of Drug Tests for Crack. Crack cocaine tests will measure a by-product, or metabolized product, in the body of the user. Cocaine itself metabolizes faster than most drugs of abuse and cannot be measured. Therefore, the body of the user will determine how accurate testing will be.
At 116 years and 169 days old, Emma Martina Luigia Morano of Vercelli, Italy, is now the worldâs oldest living person.
The world's second oldest person is Emma Morano-Martinuzzi, a 115-year-old woman living in Italy, according to the Gerontology Research Group. The oldest verified person was Jeanne Calment of France, who died in 1997 at 122 years and 164 days, Young said.