1. hypo = under, below, less

2.  lesslikely to cause allergies  less likely to cause allergies

4.  a disorder caused by a thyroid gland that is slower and less productive than normal

6.  an abnormally low level of sugar in the blood; a blood sugar level below what is needed for healthy blood

8.  the practice of being less than genuine; pretending to be someone you are not

10.  an idea under investigation

12.  a temperature below the normal body temperature; low body heat

14.  under the skin

16.  having blood pressure below what is normal

18.  under the tongue

20.  located below the ground