If the granting of a therapeuticuse exemption is reversed, the reversalshall not apply retroactively and shall notdisqualify the Athlete’s results during thetime that the therapeutic use exemptionwas in effect.174.3.1.2Medical or other scientific evidence,pharmacological effect, or experience thatthe Use of the substance or methodrepresents an actual or potential healthrisk to the Athlete ; 4.3.1.3WADA ’s determination that the Use of thesubstance or method violates the spirit ofsport described in the Introduction to the Code .4.3.2A substance or method shall also be included on theProhibited List if WADA determines there ismedical or other scientific evidence,pharmacological effect or experience that thesubstance or method has the potential to mask the Use of other Prohibited Substances and ProhibitedMethods.World Anti-Doping Code 2003 4..3..2  Comment:    A substance shall beconsidered for inclusion on theProhibited List if the substance is amasking agent or meets two of thefollowing three criteria: (1) it has thepotential to enhance or enhancessport performance; (2) it represents apotential or actual health risk; or (3) itis contrary to the spirit of sport.