prick

Blood obtained by pricking a baby’s heel was collected on filter paper and tested for phenylketonuria, a rare metabolic condition that, if untreated, causes intellectual disability.

The researchers found that people carrying three so-called Neanderthal variants in the gene SCN9A, which is implicated in sensory neurons, are more sensitive to pain from skin pricking after prior exposure to mustard oil.

The current gold standard test—only conducted in specialized allergy clinics—involves pricking the skin and injecting a small amount of penicillin.

District Judge Thomas Ludington is not interfering with the practice of pricking the heels of babies to draw blood to screen for more than 50 diseases, a longstanding procedure in hospitals across the United States.

People with Type 1 diabetes use the CGM to monitor their blood glucose levels - or blood sugar - around the clock, meaning they don't have to constantly take blood samples by pricking their fingers for readings.