A gossip blog published a photo of a famous baseball player using drugs at a party held eight months earlier. the baseball player claims that the photo was manipulated, and he denies any drug use. (a) can drugs injected more than eight months ago be detected in hair? (b) if his hair measures 14 cm long, and hair grows approximately 1.3 cm per month, will there still be evidence of drug use in his hair? explain.
