Chills. Cold. Losing Hair

This is my second pregnancy and Im still early on, about 10 weeks. I was lucky with my first where I had no nausea, morning sickness, or anything really. This time around has been tough. The weather is changing, but Im always so cold. When I shower or brush my hair, soo much hair comes out. Im nauseous most of the day. Im wondering if anyone else has had similar pregnancy symptoms?