“It started as a joke, actually,” Elena Korngold told me. But late last month, the 40-something radiologist from Portland, Oregon, and her family decided that their unsanctioned scheme couldn’t hurt.

Cancerguard detects multiple cancers early by identifying specific DNA and protein markers in a blood sample. The test is available for adults aged 50-84 without cancer in the past three years, but it ...

Molecular tests are far superior to rapid antigen tests—and now you can get them for home use. Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation.

At-home drug tests are urine or saliva tests that can identify if illegal or prescriptions drugs are present in your body. These tests are an alternative to going in person to a laboratory or other ...