Researchers have uncovered a genetic defect in the histidine decarboxylase gene that may underlie Tourette?s syndrome in a 2-generation pedigree. Medscape Medical News
A study suggests that switching between generic formulations of seizure drugs could potentially cause large swings in drug blood levels and should be minimized. br / iMedscape Medical News/i
Significantly changing normal sleep patterns — either getting much more or much less sleep — increases the risk for mortality, according to a new study. Medscape Medical News
Abstinent methamphetamine addicts continue to have cravings for the drug weeks after other physical and psychological withdrawal symptoms resolve. Medscape Medical News
