来自MSN

12 causes of chills

Chills help raise your body temperature by contracting and relaxing muscles rapidly. Chills are often caused by health conditions, including fevers, low blood sugar, an underactive thyroid, and ...
For many women, period cramps are not a minor inconvenience. They can slow the day down, drain energy and make even simple tasks feel harder than they should. In those moments, painkillers often feel ...