The labs perform urine and hair follicle testing. DFCS seeks both kinds because drugs may only last up to one week in urine but about three months in hair follicles, according to the National ...
“It accounts for 50 per cent of cases,” Reavey explains. “It’s genetic, and caused when the hormone dihydrotestosterone (or DHT) attaches to the hair follicle, blocking it from receiving oxygen and ...
The hair follicle drug test taken by incumbent Davao City First District Representative Paolo Duterte and Puwersa ng Bayaning Atleta (PBA) party-list Rep. Migs Nograles yielded negative results.
The helmet works by applying a small compressive force across the entire surface of the scalp, causing the tiny capillaries around the hair follicle to collapse. “As a result, the blood pressure ...
Davao City First District Rep. Paolo Duterte and his political rival PBA party-list Rep. Margarita "Migs" Nograles both tested negative for drug use in ...