Category: D

  • Drug combination therapy

    An AIDS treatment program in which patients regularly take more than one drug.  

  • Direct pressure

    The pressure that results from someone who tries to convince you to do something you normally wouldn’t do.  

  • Designated driver

    A person who chooses not to drink alcohol in a social setting so that he or she can safely drive himself or herself and others.  

  • Deforestation

    The clearing of trees from natural forests to make space for crops, grazing, or development.  

  • Dynamic (isotonic) exercise

    Dynamic (isotonic) exercise is exercise in which the muscle contracts, and shortens and movement occurs, such as push-ups or weight lifting.  

  • Dynamic flexibility

    Dynamic flexibility is the range of motion achieved by quickly moving a limb to its limits as in a bouncing hamstring stretch.  

  • Date rape drugs

    Date rape drugs are used to cause women to become overly relaxed or pass out and yield unknowingly in a sexual way. These drugs are depressants and includes GHB, Rohypnol, and ketamine.  

  • Daily uplifts

    The counterpart to daily hassles. These are positive events that make us feel good. Examples are payday; being visited, phoned, or sent a letter; being complimented; and having fun with a friend.  

  • Daily hassles

    The events or interactions in daily life that are bothersome, annoying, or negative in some way. Examples are losing things, having too many things to do, and filling out paperwork.  

  • Donald H. Menzel

    A Harvard astronomer and astrophysicist who summarized the scientific argument against the ideas of Immanuel velikovsky. Menzel also attacked the idea of flying saucers. He argued that these discs or saucers were a sort of mirage caused by unusual weather circumstances, which in different times would not attract much, if any, interest. But, he suggested,…