New kits let people bypass the doctor and order a range of diagnostic tests. Is this a good idea?

You may be looking to test your thyroid function if you’ve noticed concerning changes in your metabolism, digestion, body temperature, or fertility. At-home thyroid testing may be a less expensive option than in-lab testing and may validate some health ...

To really put an automobile through its paces, you have to cover a lot of ground. Good thing the Consumer Reports Auto Test Center sprawls across 327 acres in rural Connecticut and encompasses about six miles of paved test roads. We push the cars, SUVs ...

In 2026, there are two all-in tests, helping minimise costs for teams but also getting them all at the same track at the same time, in the lead up to (pre-season test) and after a race event (pre-enduro test), so they're already on-site. Each Supercars team is permitted just two full test days in 2026.

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 healthcare organization to test for the presence of drugs.

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood. PCR testing allows researchers to make many copies of a ...