BLOOMINGTON, Ind., June 23 (UPI) -- U.S. medical scientists studying the toxoplasmosis parasite have discovered how it transforms into a cyst form that resists drug treatments.
This is Valentine's Day, for many a romantic time to be remembered with affection and with cards, flowers and candy. It also is a date with a dark side, a date on which at least two Christians with the name Valentine were martyred.