Which statements describe two common methods used to detect doping?

• A. Hair analysis and saliva testing
• B. Urine testing and blood testing, including biological passport analytics and isotope ratio mass spectrometry
• C. Only urine testing
• D. Thermal imaging and MRI

Answer: (B)

Detecting doping relies on two practical, complementary approaches that are widely used in anti-doping programs. Urine testing and blood testing provide both direct screening for banned substances and indirect evidence through physiological changes. Urine tests look for prohibited chemicals or their metabolites, while blood tests can monitor changes in biological markers that reflect recent or ongoing doping, such as shifts in hematology or sport-specific biomarkers. The Athlete Biological Passport takes this a step further by tracking multiple blood parameters over time to spot unusual patterns that suggest doping, even if a substance isn’t directly detected in a single sample. Isotope Ratio Mass Spectrometry then adds a crucial verification layer by examining isotope ratios—such as carbon isotopes—to distinguish naturally produced substances from those introduced synthetically, helping confirm cases like testosterone doping.

Other methods listed don’t align with standard anti-doping practice. Hair analysis and saliva testing aren’t typically used as primary detection tools for the range of prohibited agents athletes may use, and they don’t provide the same robust, longitudinal or confirmatory insights. Thermal imaging and MRI aren’t used to detect doping status; they’re medical imaging tools for anatomy or injury assessment, not for identifying banned substances or doping patterns.